2008589207620

素因数分解:

$2^2\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{77791991}}^1$

素因数の和:77793291

約数の個数: 24

約数和(自身を含む): 4221304653888

約数和(自身を除く): 2212715446268

約数列:

[1, 2, 4, 5, 10, 20, 1291, 2582, 5164, 6455, 12910, 25820, 77791991, 155583982, 311167964, 388959955, 777919910, 1555839820, 100429460381, 200858920762, 401717841524, 502147301905, 1004294603810, 2008589207620]

約数ペア:

[(1, 2008589207620), (2, 1004294603810), (4, 502147301905), (5, 401717841524), (10, 200858920762), (20, 100429460381), (1291, 1555839820), (2582, 777919910), (5164, 388959955), (6455, 311167964), (12910, 155583982), (25820, 77791991)]