5565620

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{661}}^1$

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 11733288

約数和(自身を除く): 6167668

約数列:

[1, 2, 4, 5, 10, 20, 421, 661, 842, 1322, 1684, 2105, 2644, 3305, 4210, 6610, 8420, 13220, 278281, 556562, 1113124, 1391405, 2782810, 5565620]

約数ペア:

[(1, 5565620), (2, 2782810), (4, 1391405), (5, 1113124), (10, 556562), (20, 278281), (421, 13220), (661, 8420), (842, 6610), (1322, 4210), (1684, 3305), (2105, 2644)]