38985620

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3041}}^1$

素因数の和:3691

約数の個数: 24

約数和(自身を含む): 82024488

約数和(自身を除く): 43038868

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3041, 3205, 6082, 6410, 12164, 12820, 15205, 30410, 60820, 1949281, 3898562, 7797124, 9746405, 19492810, 38985620]

約数ペア:

[(1, 38985620), (2, 19492810), (4, 9746405), (5, 7797124), (10, 3898562), (20, 1949281), (641, 60820), (1282, 30410), (2564, 15205), (3041, 12820), (3205, 12164), (6082, 6410)]