66081520

素因数分解:

$2^4\times 5^1\times {\mathrm{826019}}^1$

素因数の和:826032

約数の個数: 20

約数和(自身を含む): 153639720

約数和(自身を除く): 87558200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 826019, 1652038, 3304076, 4130095, 6608152, 8260190, 13216304, 16520380, 33040760, 66081520]

約数ペア:

[(1, 66081520), (2, 33040760), (4, 16520380), (5, 13216304), (8, 8260190), (10, 6608152), (16, 4130095), (20, 3304076), (40, 1652038), (80, 826019)]