8889186980

素因数分解:

$2^2\times 5^1\times {\mathrm{444459349}}^1$

素因数の和:444459358

約数の個数: 12

約数和(自身を含む): 18667292700

約数和(自身を除く): 9778105720

約数列:

[1, 2, 4, 5, 10, 20, 444459349, 888918698, 1777837396, 2222296745, 4444593490, 8889186980]

約数ペア:

[(1, 8889186980), (2, 4444593490), (4, 2222296745), (5, 1777837396), (10, 888918698), (20, 444459349)]