1625845540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{671837}}^1$

素因数の和:671868

約数の個数: 36

約数和(自身を含む): 3752887068

約数和(自身を除く): 2127041528

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 671837, 1343674, 2687348, 3359185, 6718370, 7390207, 13436740, 14780414, 29560828, 36951035, 73902070, 81292277, 147804140, 162584554, 325169108, 406461385, 812922770, 1625845540]

約数ペア:

[(1, 1625845540), (2, 812922770), (4, 406461385), (5, 325169108), (10, 162584554), (11, 147804140), (20, 81292277), (22, 73902070), (44, 36951035), (55, 29560828), (110, 14780414), (121, 13436740), (220, 7390207), (242, 6718370), (484, 3359185), (605, 2687348), (1210, 1343674), (2420, 671837)]