12509740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20177}}^1$

素因数の和:20217

約数の個数: 24

約数和(自身を含む): 27119232

約数和(自身を除く): 14609492

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 20177, 40354, 80708, 100885, 201770, 403540, 625487, 1250974, 2501948, 3127435, 6254870, 12509740]

約数ペア:

[(1, 12509740), (2, 6254870), (4, 3127435), (5, 2501948), (10, 1250974), (20, 625487), (31, 403540), (62, 201770), (124, 100885), (155, 80708), (310, 40354), (620, 20177)]