9999040

素因数分解:

$2^6\times 5^1\times {\mathrm{31247}}^1$

素因数の和:31264

約数の個数: 28

約数和(自身を含む): 23810976

約数和(自身を除く): 13811936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 31247, 62494, 124988, 156235, 249976, 312470, 499952, 624940, 999904, 1249880, 1999808, 2499760, 4999520, 9999040]

約数ペア:

[(1, 9999040), (2, 4999520), (4, 2499760), (5, 1999808), (8, 1249880), (10, 999904), (16, 624940), (20, 499952), (32, 312470), (40, 249976), (64, 156235), (80, 124988), (160, 62494), (320, 31247)]