72106660

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{2797}}^1$

素因数の和:4095

約数の個数: 24

約数和(自身を含む): 151595640

約数和(自身を除く): 79488980

約数列:

[1, 2, 4, 5, 10, 20, 1289, 2578, 2797, 5156, 5594, 6445, 11188, 12890, 13985, 25780, 27970, 55940, 3605333, 7210666, 14421332, 18026665, 36053330, 72106660]

約数ペア:

[(1, 72106660), (2, 36053330), (4, 18026665), (5, 14421332), (10, 7210666), (20, 3605333), (1289, 55940), (2578, 27970), (2797, 25780), (5156, 13985), (5594, 12890), (6445, 11188)]