80526640

素因数分解:

$2^4\times 5^1\times {\mathrm{1006583}}^1$

素因数の和:1006596

約数の個数: 20

約数和(自身を含む): 187224624

約数和(自身を除く): 106697984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1006583, 2013166, 4026332, 5032915, 8052664, 10065830, 16105328, 20131660, 40263320, 80526640]

約数ペア:

[(1, 80526640), (2, 40263320), (4, 20131660), (5, 16105328), (8, 10065830), (10, 8052664), (16, 5032915), (20, 4026332), (40, 2013166), (80, 1006583)]