890652580

素因数分解:

$2^2\times 5^1\times {\mathrm{44532629}}^1$

素因数の和:44532638

約数の個数: 12

約数和(自身を含む): 1870370460

約数和(自身を除く): 979717880

約数列:

[1, 2, 4, 5, 10, 20, 44532629, 89065258, 178130516, 222663145, 445326290, 890652580]

約数ペア:

[(1, 890652580), (2, 445326290), (4, 222663145), (5, 178130516), (10, 89065258), (20, 44532629)]