85470680

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{13109}}^1$

素因数の和:13283

約数の個数: 32

約数和(自身を含む): 193503600

約数和(自身を除く): 108032920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 13109, 26218, 52436, 65545, 104872, 131090, 262180, 524360, 2136767, 4273534, 8547068, 10683835, 17094136, 21367670, 42735340, 85470680]

約数ペア:

[(1, 85470680), (2, 42735340), (4, 21367670), (5, 17094136), (8, 10683835), (10, 8547068), (20, 4273534), (40, 2136767), (163, 524360), (326, 262180), (652, 131090), (815, 104872), (1304, 65545), (1630, 52436), (3260, 26218), (6520, 13109)]