12700880

素因数分解:

$2^4\times 5^1\times {\mathrm{158761}}^1$

素因数の和:158774

約数の個数: 20

約数和(自身を含む): 29529732

約数和(自身を除く): 16828852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158761, 317522, 635044, 793805, 1270088, 1587610, 2540176, 3175220, 6350440, 12700880]

約数ペア:

[(1, 12700880), (2, 6350440), (4, 3175220), (5, 2540176), (8, 1587610), (10, 1270088), (16, 793805), (20, 635044), (40, 317522), (80, 158761)]