848794640

素因数分解:

$2^4\times 5^1\times {\mathrm{10609933}}^1$

素因数の和:10609946

約数の個数: 20

約数和(自身を含む): 1973447724

約数和(自身を除く): 1124653084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10609933, 21219866, 42439732, 53049665, 84879464, 106099330, 169758928, 212198660, 424397320, 848794640]

約数ペア:

[(1, 848794640), (2, 424397320), (4, 212198660), (5, 169758928), (8, 106099330), (10, 84879464), (16, 53049665), (20, 42439732), (40, 21219866), (80, 10609933)]