8979280

素因数分解:

$2^4\times 5^1\times {\mathrm{112241}}^1$

素因数の和:112254

約数の個数: 20

約数和(自身を含む): 20877012

約数和(自身を除く): 11897732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 112241, 224482, 448964, 561205, 897928, 1122410, 1795856, 2244820, 4489640, 8979280]

約数ペア:

[(1, 8979280), (2, 4489640), (4, 2244820), (5, 1795856), (8, 1122410), (10, 897928), (16, 561205), (20, 448964), (40, 224482), (80, 112241)]