2116740620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2581391}}^1$

素因数の和:2581441

約数の個数: 24

約数和(自身を含む): 4553575488

約数和(自身を除く): 2436834868

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2581391, 5162782, 10325564, 12906955, 25813910, 51627820, 105837031, 211674062, 423348124, 529185155, 1058370310, 2116740620]

約数ペア:

[(1, 2116740620), (2, 1058370310), (4, 529185155), (5, 423348124), (10, 211674062), (20, 105837031), (41, 51627820), (82, 25813910), (164, 12906955), (205, 10325564), (410, 5162782), (820, 2581391)]