42221240

素因数分解:

$2^3\times 5^1\times {\mathrm{1055531}}^1$

素因数の和:1055542

約数の個数: 16

約数和(自身を含む): 94997880

約数和(自身を除く): 52776640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1055531, 2111062, 4222124, 5277655, 8444248, 10555310, 21110620, 42221240]

約数ペア:

[(1, 42221240), (2, 21110620), (4, 10555310), (5, 8444248), (8, 5277655), (10, 4222124), (20, 2111062), (40, 1055531)]