4197580780

素因数分解:

$2^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{202001}}^1$

素因数の和:203049

約数の個数: 24

約数和(自身を含む): 8823447360

約数和(自身を除く): 4625866580

約数列:

[1, 2, 4, 5, 10, 20, 1039, 2078, 4156, 5195, 10390, 20780, 202001, 404002, 808004, 1010005, 2020010, 4040020, 209879039, 419758078, 839516156, 1049395195, 2098790390, 4197580780]

約数ペア:

[(1, 4197580780), (2, 2098790390), (4, 1049395195), (5, 839516156), (10, 419758078), (20, 209879039), (1039, 4040020), (2078, 2020010), (4156, 1010005), (5195, 808004), (10390, 404002), (20780, 202001)]