A046870 - cp's OEIS frontend

A046870 Numbers k such that sigma_1(k) divides sigma_4(k).

n	a(n)
1	1
2	4
3	9
4	16
5	20
6	25
7	36
8	49
9	50
10	64
11	81
12	100
13	117
14	121
15	144
16	169
17	180
18	196
19	225
20	242
21	256
22	289
23	324
24	325
25	361
26	400
27	441
28	450
29	468
30	484
31	500
32	529
33	576
34	578
35	605
36	625
37	650
38	676
39	729
40	784
41	800
42	841
43	900
44	961
45	980
46	1024
47	1025
48	1058
49	1089
50	1156
51	1225
52	1280
53	1296

[1, 4, 9, 16, 20, 25, 36, 49, 50, 64, 81, 100, 117, 121, 144, 169, 180, 196, 225, 242, 256, 289, 324, 325, 361, 400, 441, 450, 468, 484, 500, 529, 576, 578, 605, 625, 650, 676, 729, 784, 800, 841, 900, 961, 980, 1024, 1025, 1058, 1089, 1156, 1225, 1280, 1296]

cp's OEIS Frontend

A046870 Numbers k such that sigma_1(k) divides sigma_4(k).

Table of values

List of values