9770294480

素因数分解:

$2^4\times 5^1\times {\mathrm{122128681}}^1$

素因数の和:122128694

約数の個数: 20

約数和(自身を含む): 22715934852

約数和(自身を除く): 12945640372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 122128681, 244257362, 488514724, 610643405, 977029448, 1221286810, 1954058896, 2442573620, 4885147240, 9770294480]

約数ペア:

[(1, 9770294480), (2, 4885147240), (4, 2442573620), (5, 1954058896), (8, 1221286810), (10, 977029448), (16, 610643405), (20, 488514724), (40, 244257362), (80, 122128681)]