80590940

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{7057}}^1$

素因数の和:7637

約数の個数: 24

約数和(自身を含む): 169561392

約数和(自身を除く): 88970452

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 7057, 11420, 14114, 28228, 35285, 70570, 141140, 4029547, 8059094, 16118188, 20147735, 40295470, 80590940]

約数ペア:

[(1, 80590940), (2, 40295470), (4, 20147735), (5, 16118188), (10, 8059094), (20, 4029547), (571, 141140), (1142, 70570), (2284, 35285), (2855, 28228), (5710, 14114), (7057, 11420)]