68639240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{32377}}^1$

素因数の和:32441

約数の個数: 32

約数和(自身を含む): 157357080

約数和(自身を除く): 88717840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 32377, 64754, 129508, 161885, 259016, 323770, 647540, 1295080, 1715981, 3431962, 6863924, 8579905, 13727848, 17159810, 34319620, 68639240]

約数ペア:

[(1, 68639240), (2, 34319620), (4, 17159810), (5, 13727848), (8, 8579905), (10, 6863924), (20, 3431962), (40, 1715981), (53, 1295080), (106, 647540), (212, 323770), (265, 259016), (424, 161885), (530, 129508), (1060, 64754), (2120, 32377)]