68179640

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{10457}}^1$

素因数の和:10631

約数の個数: 32

約数和(自身を含む): 154360080

約数和(自身を除く): 86180440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 10457, 20914, 41828, 52285, 83656, 104570, 209140, 418280, 1704491, 3408982, 6817964, 8522455, 13635928, 17044910, 34089820, 68179640]

約数ペア:

[(1, 68179640), (2, 34089820), (4, 17044910), (5, 13635928), (8, 8522455), (10, 6817964), (20, 3408982), (40, 1704491), (163, 418280), (326, 209140), (652, 104570), (815, 83656), (1304, 52285), (1630, 41828), (3260, 20914), (6520, 10457)]