66290360

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{3691}}^1$

素因数の和:4151

約数の個数: 32

約数和(自身を含む): 149526000

約数和(自身を除く): 83235640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 3691, 4490, 7382, 8980, 14764, 17960, 18455, 29528, 36910, 73820, 147640, 1657259, 3314518, 6629036, 8286295, 13258072, 16572590, 33145180, 66290360]

約数ペア:

[(1, 66290360), (2, 33145180), (4, 16572590), (5, 13258072), (8, 8286295), (10, 6629036), (20, 3314518), (40, 1657259), (449, 147640), (898, 73820), (1796, 36910), (2245, 29528), (3592, 18455), (3691, 17960), (4490, 14764), (7382, 8980)]