8239580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4079}}^1$

素因数の和:4189

約数の個数: 24

約数和(自身を含む): 17478720

約数和(自身を除く): 9239140

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 4079, 8158, 16316, 20395, 40790, 81580, 411979, 823958, 1647916, 2059895, 4119790, 8239580]

約数ペア:

[(1, 8239580), (2, 4119790), (4, 2059895), (5, 1647916), (10, 823958), (20, 411979), (101, 81580), (202, 40790), (404, 20395), (505, 16316), (1010, 8158), (2020, 4079)]