2392820

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 5060328

約数和(自身を除く): 2667508

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 661, 724, 905, 1322, 1810, 2644, 3305, 3620, 6610, 13220, 119641, 239282, 478564, 598205, 1196410, 2392820]

約数ペア:

[(1, 2392820), (2, 1196410), (4, 598205), (5, 478564), (10, 239282), (20, 119641), (181, 13220), (362, 6610), (661, 3620), (724, 3305), (905, 2644), (1322, 1810)]