8360780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4139}}^1$

素因数の和:4249

約数の個数: 24

約数和(自身を含む): 17735760

約数和(自身を除く): 9374980

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 4139, 8278, 16556, 20695, 41390, 82780, 418039, 836078, 1672156, 2090195, 4180390, 8360780]

約数ペア:

[(1, 8360780), (2, 4180390), (4, 2090195), (5, 1672156), (10, 836078), (20, 418039), (101, 82780), (202, 41390), (404, 20695), (505, 16556), (1010, 8278), (2020, 4139)]