13258040

素因数分解:

$2^3\times 5^1\times {\mathrm{331451}}^1$

素因数の和:331462

約数の個数: 16

約数和(自身を含む): 29830680

約数和(自身を除く): 16572640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331451, 662902, 1325804, 1657255, 2651608, 3314510, 6629020, 13258040]

約数ペア:

[(1, 13258040), (2, 6629020), (4, 3314510), (5, 2651608), (8, 1657255), (10, 1325804), (20, 662902), (40, 331451)]