165582020

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{18859}}^1$

素因数の和:19307

約数の個数: 24

約数和(自身を含む): 348532800

約数和(自身を除く): 182950780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 18859, 37718, 75436, 94295, 188590, 377180, 8279101, 16558202, 33116404, 41395505, 82791010, 165582020]

約数ペア:

[(1, 165582020), (2, 82791010), (4, 41395505), (5, 33116404), (10, 16558202), (20, 8279101), (439, 377180), (878, 188590), (1756, 94295), (2195, 75436), (4390, 37718), (8780, 18859)]