61241980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{20551}}^1$

素因数の和:20709

約数の個数: 24

約数和(自身を含む): 129477600

約数和(自身を除く): 68235620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 20551, 41102, 82204, 102755, 205510, 411020, 3062099, 6124198, 12248396, 15310495, 30620990, 61241980]

約数ペア:

[(1, 61241980), (2, 30620990), (4, 15310495), (5, 12248396), (10, 6124198), (20, 3062099), (149, 411020), (298, 205510), (596, 102755), (745, 82204), (1490, 41102), (2980, 20551)]