8888020

素因数分解:

$2^2\times 5^1\times {\mathrm{444401}}^1$

素因数の和:444410

約数の個数: 12

約数和(自身を含む): 18664884

約数和(自身を除く): 9776864

約数列:

[1, 2, 4, 5, 10, 20, 444401, 888802, 1777604, 2222005, 4444010, 8888020]

約数ペア:

[(1, 8888020), (2, 4444010), (4, 2222005), (5, 1777604), (10, 888802), (20, 444401)]