8881940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4397}}^1$

素因数の和:4507

約数の個数: 24

約数和(自身を含む): 18841032

約数和(自身を除く): 9959092

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 4397, 8794, 17588, 21985, 43970, 87940, 444097, 888194, 1776388, 2220485, 4440970, 8881940]

約数ペア:

[(1, 8881940), (2, 4440970), (4, 2220485), (5, 1776388), (10, 888194), (20, 444097), (101, 87940), (202, 43970), (404, 21985), (505, 17588), (1010, 8794), (2020, 4397)]