26577620

素因数分解:

$2^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1279}}^1$

素因数の和:2327

約数の個数: 24

約数和(自身を含む): 55910400

約数和(自身を除く): 29332780

約数列:

[1, 2, 4, 5, 10, 20, 1039, 1279, 2078, 2558, 4156, 5116, 5195, 6395, 10390, 12790, 20780, 25580, 1328881, 2657762, 5315524, 6644405, 13288810, 26577620]

約数ペア:

[(1, 26577620), (2, 13288810), (4, 6644405), (5, 5315524), (10, 2657762), (20, 1328881), (1039, 25580), (1279, 20780), (2078, 12790), (2558, 10390), (4156, 6395), (5116, 5195)]