2740820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3187}}^1$

素因数の和:3239

約数の個数: 24

約数和(自身を含む): 5891424

約数和(自身を除く): 3150604

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 3187, 6374, 12748, 15935, 31870, 63740, 137041, 274082, 548164, 685205, 1370410, 2740820]

約数ペア:

[(1, 2740820), (2, 1370410), (4, 685205), (5, 548164), (10, 274082), (20, 137041), (43, 63740), (86, 31870), (172, 15935), (215, 12748), (430, 6374), (860, 3187)]