91154960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87649}}^1$

素因数の和:87675

約数の個数: 40

約数和(自身を含む): 228240600

約数和(自身を除く): 137085640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 87649, 175298, 350596, 438245, 701192, 876490, 1139437, 1402384, 1752980, 2278874, 3505960, 4557748, 5697185, 7011920, 9115496, 11394370, 18230992, 22788740, 45577480, 91154960]

約数ペア:

[(1, 91154960), (2, 45577480), (4, 22788740), (5, 18230992), (8, 11394370), (10, 9115496), (13, 7011920), (16, 5697185), (20, 4557748), (26, 3505960), (40, 2278874), (52, 1752980), (65, 1402384), (80, 1139437), (104, 876490), (130, 701192), (208, 438245), (260, 350596), (520, 175298), (1040, 87649)]