8957793620

素因数分解:

$2^2\times 5^1\times {\mathrm{447889681}}^1$

素因数の和:447889690

約数の個数: 12

約数和(自身を含む): 18811366644

約数和(自身を除く): 9853573024

約数列:

[1, 2, 4, 5, 10, 20, 447889681, 895779362, 1791558724, 2239448405, 4478896810, 8957793620]

約数ペア:

[(1, 8957793620), (2, 4478896810), (4, 2239448405), (5, 1791558724), (10, 895779362), (20, 447889681)]