11317420

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1289}}^1$

素因数の和:1737

約数の個数: 24

約数和(自身を含む): 23839200

約数和(自身を除く): 12521780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1289, 1756, 2195, 2578, 4390, 5156, 6445, 8780, 12890, 25780, 565871, 1131742, 2263484, 2829355, 5658710, 11317420]

約数ペア:

[(1, 11317420), (2, 5658710), (4, 2829355), (5, 2263484), (10, 1131742), (20, 565871), (439, 25780), (878, 12890), (1289, 8780), (1756, 6445), (2195, 5156), (2578, 4390)]