12863120

素因数分解:

$2^4\times 5^1\times {\mathrm{160789}}^1$

素因数の和:160802

約数の個数: 20

約数和(自身を含む): 29906940

約数和(自身を除く): 17043820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 160789, 321578, 643156, 803945, 1286312, 1607890, 2572624, 3215780, 6431560, 12863120]

約数ペア:

[(1, 12863120), (2, 6431560), (4, 3215780), (5, 2572624), (8, 1607890), (10, 1286312), (16, 803945), (20, 643156), (40, 321578), (80, 160789)]