66476780

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{6661}}^1$

素因数の和:7169

約数の個数: 24

約数和(自身を含む): 139902000

約数和(自身を除く): 73425220

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 6661, 9980, 13322, 26644, 33305, 66610, 133220, 3323839, 6647678, 13295356, 16619195, 33238390, 66476780]

約数ペア:

[(1, 66476780), (2, 33238390), (4, 16619195), (5, 13295356), (10, 6647678), (20, 3323839), (499, 133220), (998, 66610), (1996, 33305), (2495, 26644), (4990, 13322), (6661, 9980)]