82600780

素因数分解:

$2^2\times 5^1\times {\mathrm{4130039}}^1$

素因数の和:4130048

約数の個数: 12

約数和(自身を含む): 173461680

約数和(自身を除く): 90860900

約数列:

[1, 2, 4, 5, 10, 20, 4130039, 8260078, 16520156, 20650195, 41300390, 82600780]

約数ペア:

[(1, 82600780), (2, 41300390), (4, 20650195), (5, 16520156), (10, 8260078), (20, 4130039)]