12744880

素因数分解:

$2^4\times 5^1\times {\mathrm{159311}}^1$

素因数の和:159324

約数の個数: 20

約数和(自身を含む): 29632032

約数和(自身を除く): 16887152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 159311, 318622, 637244, 796555, 1274488, 1593110, 2548976, 3186220, 6372440, 12744880]

約数ペア:

[(1, 12744880), (2, 6372440), (4, 3186220), (5, 2548976), (8, 1593110), (10, 1274488), (16, 796555), (20, 637244), (40, 318622), (80, 159311)]