8988880

素因数分解:

$2^4\times 5^1\times {\mathrm{112361}}^1$

素因数の和:112374

約数の個数: 20

約数和(自身を含む): 20899332

約数和(自身を除く): 11910452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 112361, 224722, 449444, 561805, 898888, 1123610, 1797776, 2247220, 4494440, 8988880]

約数ペア:

[(1, 8988880), (2, 4494440), (4, 2247220), (5, 1797776), (8, 1123610), (10, 898888), (16, 561805), (20, 449444), (40, 224722), (80, 112361)]