66760880

素因数分解:

$2^4\times 5^1\times {\mathrm{834511}}^1$

素因数の和:834524

約数の個数: 20

約数和(自身を含む): 155219232

約数和(自身を除く): 88458352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 834511, 1669022, 3338044, 4172555, 6676088, 8345110, 13352176, 16690220, 33380440, 66760880]

約数ペア:

[(1, 66760880), (2, 33380440), (4, 16690220), (5, 13352176), (8, 8345110), (10, 6676088), (16, 4172555), (20, 3338044), (40, 1669022), (80, 834511)]