78632240

素因数分解:

$2^4\times 5^1\times {\mathrm{982903}}^1$

素因数の和:982916

約数の個数: 20

約数和(自身を含む): 182820144

約数和(自身を除く): 104187904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 982903, 1965806, 3931612, 4914515, 7863224, 9829030, 15726448, 19658060, 39316120, 78632240]

約数ペア:

[(1, 78632240), (2, 39316120), (4, 19658060), (5, 15726448), (8, 9829030), (10, 7863224), (16, 4914515), (20, 3931612), (40, 1965806), (80, 982903)]