42077540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67867}}^1$

素因数の和:67907

約数の個数: 24

約数和(自身を含む): 91214592

約数和(自身を除く): 49137052

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 67867, 135734, 271468, 339335, 678670, 1357340, 2103877, 4207754, 8415508, 10519385, 21038770, 42077540]

約数ペア:

[(1, 42077540), (2, 21038770), (4, 10519385), (5, 8415508), (10, 4207754), (20, 2103877), (31, 1357340), (62, 678670), (124, 339335), (155, 271468), (310, 135734), (620, 67867)]