20242537640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38927957}}^1$

素因数の和:38927981

約数の個数: 32

約数和(自身を含む): 49049227080

約数和(自身を除く): 28806689440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38927957, 77855914, 155711828, 194639785, 311423656, 389279570, 506063441, 778559140, 1012126882, 1557118280, 2024253764, 2530317205, 4048507528, 5060634410, 10121268820, 20242537640]

約数ペア:

[(1, 20242537640), (2, 10121268820), (4, 5060634410), (5, 4048507528), (8, 2530317205), (10, 2024253764), (13, 1557118280), (20, 1012126882), (26, 778559140), (40, 506063441), (52, 389279570), (65, 311423656), (104, 194639785), (130, 155711828), (260, 77855914), (520, 38927957)]