9781160

素因数分解:

$2^3\times 5^1\times {\mathrm{244529}}^1$

素因数の和:244540

約数の個数: 16

約数和(自身を含む): 22007700

約数和(自身を除く): 12226540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 244529, 489058, 978116, 1222645, 1956232, 2445290, 4890580, 9781160]

約数ペア:

[(1, 9781160), (2, 4890580), (4, 2445290), (5, 1956232), (8, 1222645), (10, 978116), (20, 489058), (40, 244529)]