38908280

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1867}}^1$

素因数の和:2399

約数の個数: 32

約数和(自身を含む): 87758640

約数和(自身を除く): 48850360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 1867, 2084, 2605, 3734, 4168, 5210, 7468, 9335, 10420, 14936, 18670, 20840, 37340, 74680, 972707, 1945414, 3890828, 4863535, 7781656, 9727070, 19454140, 38908280]

約数ペア:

[(1, 38908280), (2, 19454140), (4, 9727070), (5, 7781656), (8, 4863535), (10, 3890828), (20, 1945414), (40, 972707), (521, 74680), (1042, 37340), (1867, 20840), (2084, 18670), (2605, 14936), (3734, 10420), (4168, 9335), (5210, 7468)]