66472880

素因数分解:

$2^4\times 5^1\times {\mathrm{830911}}^1$

素因数の和:830924

約数の個数: 20

約数和(自身を含む): 154549632

約数和(自身を除く): 88076752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 830911, 1661822, 3323644, 4154555, 6647288, 8309110, 13294576, 16618220, 33236440, 66472880]

約数ペア:

[(1, 66472880), (2, 33236440), (4, 16618220), (5, 13294576), (8, 8309110), (10, 6647288), (16, 4154555), (20, 3323644), (40, 1661822), (80, 830911)]