8889448660

素因数分解:

$2^2\times 5^1\times {\mathrm{444472433}}^1$

素因数の和:444472442

約数の個数: 12

約数和(自身を含む): 18667842228

約数和(自身を除く): 9778393568

約数列:

[1, 2, 4, 5, 10, 20, 444472433, 888944866, 1777889732, 2222362165, 4444724330, 8889448660]

約数ペア:

[(1, 8889448660), (2, 4444724330), (4, 2222362165), (5, 1777889732), (10, 888944866), (20, 444472433)]