128880192010

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{24737081}}^1$

素因数の和:24737609

約数の個数: 16

約数和(自身を含む): 232429622472

約数和(自身を除く): 103549430462

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 24737081, 49474162, 123685405, 247370810, 12888019201, 25776038402, 64440096005, 128880192010]

約数ペア:

[(1, 128880192010), (2, 64440096005), (5, 25776038402), (10, 12888019201), (521, 247370810), (1042, 123685405), (2605, 49474162), (5210, 24737081)]