12707920

素因数分解:

$2^4\times 5^1\times {\mathrm{158849}}^1$

素因数の和:158862

約数の個数: 20

約数和(自身を含む): 29546100

約数和(自身を除く): 16838180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158849, 317698, 635396, 794245, 1270792, 1588490, 2541584, 3176980, 6353960, 12707920]

約数ペア:

[(1, 12707920), (2, 6353960), (4, 3176980), (5, 2541584), (8, 1588490), (10, 1270792), (16, 794245), (20, 635396), (40, 317698), (80, 158849)]