4445080

素因数分解:

$2^3\times 5^1\times {\mathrm{111127}}^1$

素因数の和:111138

約数の個数: 16

約数和(自身を含む): 10001520

約数和(自身を除く): 5556440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 111127, 222254, 444508, 555635, 889016, 1111270, 2222540, 4445080]

約数ペア:

[(1, 4445080), (2, 2222540), (4, 1111270), (5, 889016), (8, 555635), (10, 444508), (20, 222254), (40, 111127)]