166956560

素因数分解:

$2^4\times 5^1\times {\mathrm{2086957}}^1$

素因数の和:2086970

約数の個数: 20

約数和(自身を含む): 388174188

約数和(自身を除く): 221217628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2086957, 4173914, 8347828, 10434785, 16695656, 20869570, 33391312, 41739140, 83478280, 166956560]

約数ペア:

[(1, 166956560), (2, 83478280), (4, 41739140), (5, 33391312), (8, 20869570), (10, 16695656), (16, 10434785), (20, 8347828), (40, 4173914), (80, 2086957)]