328635980

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{24859}}^1$

素因数の和:25529

約数の個数: 24

約数和(自身を含む): 691207440

約数和(自身を除く): 362571460

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 24859, 49718, 99436, 124295, 248590, 497180, 16431799, 32863598, 65727196, 82158995, 164317990, 328635980]

約数ペア:

[(1, 328635980), (2, 164317990), (4, 82158995), (5, 65727196), (10, 32863598), (20, 16431799), (661, 497180), (1322, 248590), (2644, 124295), (3305, 99436), (6610, 49718), (13220, 24859)]