78564560

素因数分解:

$2^4\times 5^1\times {\mathrm{982057}}^1$

素因数の和:982070

約数の個数: 20

約数和(自身を含む): 182662788

約数和(自身を除く): 104098228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 982057, 1964114, 3928228, 4910285, 7856456, 9820570, 15712912, 19641140, 39282280, 78564560]

約数ペア:

[(1, 78564560), (2, 39282280), (4, 19641140), (5, 15712912), (8, 9820570), (10, 7856456), (16, 4910285), (20, 3928228), (40, 1964114), (80, 982057)]