64228700

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{4091}}^1$

素因数の和:4262

約数の個数: 36

約数和(自身を含む): 140298312

約数和(自身を除く): 76069612

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 314, 628, 785, 1570, 3140, 3925, 4091, 7850, 8182, 15700, 16364, 20455, 40910, 81820, 102275, 204550, 409100, 642287, 1284574, 2569148, 3211435, 6422870, 12845740, 16057175, 32114350, 64228700]

約数ペア:

[(1, 64228700), (2, 32114350), (4, 16057175), (5, 12845740), (10, 6422870), (20, 3211435), (25, 2569148), (50, 1284574), (100, 642287), (157, 409100), (314, 204550), (628, 102275), (785, 81820), (1570, 40910), (3140, 20455), (3925, 16364), (4091, 15700), (7850, 8182)]