51231260

素因数分解:

$2^2\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{2281}}^1$

素因数の和:3413

約数の個数: 24

約数和(自身を含む): 107728656

約数和(自身を除く): 56497396

約数列:

[1, 2, 4, 5, 10, 20, 1123, 2246, 2281, 4492, 4562, 5615, 9124, 11230, 11405, 22460, 22810, 45620, 2561563, 5123126, 10246252, 12807815, 25615630, 51231260]

約数ペア:

[(1, 51231260), (2, 25615630), (4, 12807815), (5, 10246252), (10, 5123126), (20, 2561563), (1123, 45620), (2246, 22810), (2281, 22460), (4492, 11405), (4562, 11230), (5615, 9124)]