A100885 Imaginary part of the Gaussian multiperfect number associated with the real part A100884.
0, 3, 2, 5, 10, 18, 12, 24, 88, 20, 84, 120, 32, 60, 209, 440, 418, 120, 950, 768, 310, 200, 1280, 1152, 2256, 3800, 600, 404, 3840, 1712, 1240, 4680, 5016, 6240, 11400, 12880, 1212, 3720, 20012, 1232, 61440
Offset: 1
Examples
a(1) = Im(z= 1) with sigma(z) = 1 and m = 1. a(2) = Im(z= 1+3i) with sigma(z) = 5+5i and m = 2-i. a(3) = Im(z= 6+2i) with sigma(z) = -10-10i and m = -1+2i. a(4) = Im(z= 5+5i) with sigma(z) = 20i and m = 2+2i. a(5) = Im(z= 10+10i) with sigma(z) = -40+20i and m = -1+3i. a(6) = Im(z= 12+18i) with sigma(z) = -12+60i and m = 2+2i. a(9) = Im(z= 28+88i) with sigma(z) = -204-32i and m = -1+2i.
Extensions
Edited, all values replaced by R. J. Mathar, Mar 12 2010
a(10)-a(41) from Amiram Eldar, Feb 10 2020