8889740

素因数分解:

$2^2\times 5^1\times {\mathrm{444487}}^1$

素因数の和:444496

約数の個数: 12

約数和(自身を含む): 18668496

約数和(自身を除く): 9778756

約数列:

[1, 2, 4, 5, 10, 20, 444487, 888974, 1777948, 2222435, 4444870, 8889740]

約数ペア:

[(1, 8889740), (2, 4444870), (4, 2222435), (5, 1777948), (10, 888974), (20, 444487)]