71305840

素因数分解:

$2^4\times 5^1\times {\mathrm{891323}}^1$

素因数の和:891336

約数の個数: 20

約数和(自身を含む): 165786264

約数和(自身を除く): 94480424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 891323, 1782646, 3565292, 4456615, 7130584, 8913230, 14261168, 17826460, 35652920, 71305840]

約数ペア:

[(1, 71305840), (2, 35652920), (4, 17826460), (5, 14261168), (8, 8913230), (10, 7130584), (16, 4456615), (20, 3565292), (40, 1782646), (80, 891323)]