880220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4001}}^1$

素因数の和:4021

約数の個数: 24

約数和(自身を含む): 2017008

約数和(自身を除く): 1136788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 4001, 8002, 16004, 20005, 40010, 44011, 80020, 88022, 176044, 220055, 440110, 880220]

約数ペア:

[(1, 880220), (2, 440110), (4, 220055), (5, 176044), (10, 88022), (11, 80020), (20, 44011), (22, 40010), (44, 20005), (55, 16004), (110, 8002), (220, 4001)]