26397620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12109}}^1$

素因数の和:12227

約数の個数: 24

約数和(自身を含む): 55948200

約数和(自身を除く): 29550580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 12109, 24218, 48436, 60545, 121090, 242180, 1319881, 2639762, 5279524, 6599405, 13198810, 26397620]

約数ペア:

[(1, 26397620), (2, 13198810), (4, 6599405), (5, 5279524), (10, 2639762), (20, 1319881), (109, 242180), (218, 121090), (436, 60545), (545, 48436), (1090, 24218), (2180, 12109)]