8253620

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1009}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 17392200

約数和(自身を除く): 9138580

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1009, 1636, 2018, 2045, 4036, 4090, 5045, 8180, 10090, 20180, 412681, 825362, 1650724, 2063405, 4126810, 8253620]

約数ペア:

[(1, 8253620), (2, 4126810), (4, 2063405), (5, 1650724), (10, 825362), (20, 412681), (409, 20180), (818, 10090), (1009, 8180), (1636, 5045), (2018, 4090), (2045, 4036)]