66481160

素因数分解:

$2^3\times 5^1\times {\mathrm{1662029}}^1$

素因数の和:1662040

約数の個数: 16

約数和(自身を含む): 149582700

約数和(自身を除く): 83101540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1662029, 3324058, 6648116, 8310145, 13296232, 16620290, 33240580, 66481160]

約数ペア:

[(1, 66481160), (2, 33240580), (4, 16620290), (5, 13296232), (8, 8310145), (10, 6648116), (20, 3324058), (40, 1662029)]