2840372020

素因数分解:

$2^2\times 5^1\times {\mathrm{142018601}}^1$

素因数の和:142018610

約数の個数: 12

約数和(自身を含む): 5964781284

約数和(自身を除く): 3124409264

約数列:

[1, 2, 4, 5, 10, 20, 142018601, 284037202, 568074404, 710093005, 1420186010, 2840372020]

約数ペア:

[(1, 2840372020), (2, 1420186010), (4, 710093005), (5, 568074404), (10, 284037202), (20, 142018601)]