67750840

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3251}}^1$

素因数の和:3783

約数の個数: 32

約数和(自身を含む): 152778960

約数和(自身を除く): 85028120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 3251, 4168, 5210, 6502, 10420, 13004, 16255, 20840, 26008, 32510, 65020, 130040, 1693771, 3387542, 6775084, 8468855, 13550168, 16937710, 33875420, 67750840]

約数ペア:

[(1, 67750840), (2, 33875420), (4, 16937710), (5, 13550168), (8, 8468855), (10, 6775084), (20, 3387542), (40, 1693771), (521, 130040), (1042, 65020), (2084, 32510), (2605, 26008), (3251, 20840), (4168, 16255), (5210, 13004), (6502, 10420)]