79104640

素因数分解:

$2^7\times 5^1\times {\mathrm{123601}}^1$

素因数の和:123620

約数の個数: 32

約数和(自身を含む): 189111060

約数和(自身を除く): 110006420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 123601, 247202, 494404, 618005, 988808, 1236010, 1977616, 2472020, 3955232, 4944040, 7910464, 9888080, 15820928, 19776160, 39552320, 79104640]

約数ペア:

[(1, 79104640), (2, 39552320), (4, 19776160), (5, 15820928), (8, 9888080), (10, 7910464), (16, 4944040), (20, 3955232), (32, 2472020), (40, 1977616), (64, 1236010), (80, 988808), (128, 618005), (160, 494404), (320, 247202), (640, 123601)]