69628180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{80963}}^1$

素因数の和:81015

約数の個数: 24

約数和(自身を含む): 149621472

約数和(自身を除く): 79993292

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 80963, 161926, 323852, 404815, 809630, 1619260, 3481409, 6962818, 13925636, 17407045, 34814090, 69628180]

約数ペア:

[(1, 69628180), (2, 34814090), (4, 17407045), (5, 13925636), (10, 6962818), (20, 3481409), (43, 1619260), (86, 809630), (172, 404815), (215, 323852), (430, 161926), (860, 80963)]