66156560

素因数分解:

$2^4\times 5^1\times {\mathrm{826957}}^1$

素因数の和:826970

約数の個数: 20

約数和(自身を含む): 153814188

約数和(自身を除く): 87657628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 826957, 1653914, 3307828, 4134785, 6615656, 8269570, 13231312, 16539140, 33078280, 66156560]

約数ペア:

[(1, 66156560), (2, 33078280), (4, 16539140), (5, 13231312), (8, 8269570), (10, 6615656), (16, 4134785), (20, 3307828), (40, 1653914), (80, 826957)]