16580425

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 21355776

約数和(自身を除く): 4775351

約数列:

[1, 5, 25, 47, 103, 137, 235, 515, 685, 1175, 2575, 3425, 4841, 6439, 14111, 24205, 32195, 70555, 121025, 160975, 352775, 663217, 3316085, 16580425]

約数ペア:

[(1, 16580425), (5, 3316085), (25, 663217), (47, 352775), (103, 160975), (137, 121025), (235, 70555), (515, 32195), (685, 24205), (1175, 14111), (2575, 6439), (3425, 4841)]