5639778820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21691457}}^1$

素因数の和:21691479

約数の個数: 24

約数和(自身を含む): 12754577304

約数和(自身を除く): 7114798484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 21691457, 43382914, 86765828, 108457285, 216914570, 281988941, 433829140, 563977882, 1127955764, 1409944705, 2819889410, 5639778820]

約数ペア:

[(1, 5639778820), (2, 2819889410), (4, 1409944705), (5, 1127955764), (10, 563977882), (13, 433829140), (20, 281988941), (26, 216914570), (52, 108457285), (65, 86765828), (130, 43382914), (260, 21691457)]