168086180

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{6571}}^1$

素因数の和:7859

約数の個数: 24

約数和(自身を含む): 353310720

約数和(自身を除く): 185224540

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 5116, 6395, 6571, 12790, 13142, 25580, 26284, 32855, 65710, 131420, 8404309, 16808618, 33617236, 42021545, 84043090, 168086180]

約数ペア:

[(1, 168086180), (2, 84043090), (4, 42021545), (5, 33617236), (10, 16808618), (20, 8404309), (1279, 131420), (2558, 65710), (5116, 32855), (6395, 26284), (6571, 25580), (12790, 13142)]