80851810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{621937}}^1$

素因数の和:621957

約数の個数: 16

約数和(自身を含む): 156728376

約数和(自身を除く): 75876566

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 621937, 1243874, 3109685, 6219370, 8085181, 16170362, 40425905, 80851810]

約数ペア:

[(1, 80851810), (2, 40425905), (5, 16170362), (10, 8085181), (13, 6219370), (26, 3109685), (65, 1243874), (130, 621937)]