72423380

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{18959}}^1$

素因数の和:19159

約数の個数: 24

約数和(自身を含む): 152893440

約数和(自身を除く): 80470060

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 18959, 37918, 75836, 94795, 189590, 379180, 3621169, 7242338, 14484676, 18105845, 36211690, 72423380]

約数ペア:

[(1, 72423380), (2, 36211690), (4, 18105845), (5, 14484676), (10, 7242338), (20, 3621169), (191, 379180), (382, 189590), (764, 94795), (955, 75836), (1910, 37918), (3820, 18959)]