69139960

素因数分解:

$2^3\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{1531}}^1$

素因数の和:2671

約数の個数: 32

約数和(自身を含む): 155804400

約数和(自身を除く): 86664440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1129, 1531, 2258, 3062, 4516, 5645, 6124, 7655, 9032, 11290, 12248, 15310, 22580, 30620, 45160, 61240, 1728499, 3456998, 6913996, 8642495, 13827992, 17284990, 34569980, 69139960]

約数ペア:

[(1, 69139960), (2, 34569980), (4, 17284990), (5, 13827992), (8, 8642495), (10, 6913996), (20, 3456998), (40, 1728499), (1129, 61240), (1531, 45160), (2258, 30620), (3062, 22580), (4516, 15310), (5645, 12248), (6124, 11290), (7655, 9032)]