38751980

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3719}}^1$

素因数の和:4249

約数の個数: 24

約数和(自身を含む): 81557280

約数和(自身を除く): 42805300

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 3719, 5210, 7438, 10420, 14876, 18595, 37190, 74380, 1937599, 3875198, 7750396, 9687995, 19375990, 38751980]

約数ペア:

[(1, 38751980), (2, 19375990), (4, 9687995), (5, 7750396), (10, 3875198), (20, 1937599), (521, 74380), (1042, 37190), (2084, 18595), (2605, 14876), (3719, 10420), (5210, 7438)]