641184010

素因数分解:

$2^1\times 5^1\times {\mathrm{3529}}^1\times {\mathrm{18169}}^1$

素因数の和:21705

約数の個数: 16

約数和(自身を含む): 1154521800

約数和(自身を除く): 513337790

約数列:

[1, 2, 5, 10, 3529, 7058, 17645, 18169, 35290, 36338, 90845, 181690, 64118401, 128236802, 320592005, 641184010]

約数ペア:

[(1, 641184010), (2, 320592005), (5, 128236802), (10, 64118401), (3529, 181690), (7058, 90845), (17645, 36338), (18169, 35290)]