25323020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9109}}^1$

素因数の和:9257

約数の個数: 24

約数和(自身を含む): 53566800

約数和(自身を除く): 28243780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 9109, 18218, 36436, 45545, 91090, 182180, 1266151, 2532302, 5064604, 6330755, 12661510, 25323020]

約数ペア:

[(1, 25323020), (2, 12661510), (4, 6330755), (5, 5064604), (10, 2532302), (20, 1266151), (139, 182180), (278, 91090), (556, 45545), (695, 36436), (1390, 18218), (2780, 9109)]