8889652780

素因数分解:

$2^2\times 5^1\times {\mathrm{444482639}}^1$

素因数の和:444482648

約数の個数: 12

約数和(自身を含む): 18668270880

約数和(自身を除く): 9778618100

約数列:

[1, 2, 4, 5, 10, 20, 444482639, 888965278, 1777930556, 2222413195, 4444826390, 8889652780]

約数ペア:

[(1, 8889652780), (2, 4444826390), (4, 2222413195), (5, 1777930556), (10, 888965278), (20, 444482639)]