200280820

素因数分解:

$2^2\times 5^1\times {\mathrm{1861}}^1\times {\mathrm{5381}}^1$

素因数の和:7251

約数の個数: 24

約数和(自身を含む): 420893928

約数和(自身を除く): 220613108

約数列:

[1, 2, 4, 5, 10, 20, 1861, 3722, 5381, 7444, 9305, 10762, 18610, 21524, 26905, 37220, 53810, 107620, 10014041, 20028082, 40056164, 50070205, 100140410, 200280820]

約数ペア:

[(1, 200280820), (2, 100140410), (4, 50070205), (5, 40056164), (10, 20028082), (20, 10014041), (1861, 107620), (3722, 53810), (5381, 37220), (7444, 26905), (9305, 21524), (10762, 18610)]