31875740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122599}}^1$

素因数の和:122621

約数の個数: 24

約数和(自身を含む): 72088800

約数和(自身を除く): 40213060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 122599, 245198, 490396, 612995, 1225990, 1593787, 2451980, 3187574, 6375148, 7968935, 15937870, 31875740]

約数ペア:

[(1, 31875740), (2, 15937870), (4, 7968935), (5, 6375148), (10, 3187574), (13, 2451980), (20, 1593787), (26, 1225990), (52, 612995), (65, 490396), (130, 245198), (260, 122599)]