90521960

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{4909}}^1$

素因数の和:5381

約数の個数: 32

約数和(自身を含む): 204157800

約数和(自身を除く): 113635840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 4909, 9220, 9818, 18440, 19636, 24545, 39272, 49090, 98180, 196360, 2263049, 4526098, 9052196, 11315245, 18104392, 22630490, 45260980, 90521960]

約数ペア:

[(1, 90521960), (2, 45260980), (4, 22630490), (5, 18104392), (8, 11315245), (10, 9052196), (20, 4526098), (40, 2263049), (461, 196360), (922, 98180), (1844, 49090), (2305, 39272), (3688, 24545), (4610, 19636), (4909, 18440), (9220, 9818)]