3990620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3271}}^1$

素因数の和:3341

約数の個数: 24

約数和(自身を含む): 8520288

約数和(自身を除く): 4529668

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3271, 6542, 13084, 16355, 32710, 65420, 199531, 399062, 798124, 997655, 1995310, 3990620]

約数ペア:

[(1, 3990620), (2, 1995310), (4, 997655), (5, 798124), (10, 399062), (20, 199531), (61, 65420), (122, 32710), (244, 16355), (305, 13084), (610, 6542), (1220, 3271)]