1999040

素因数分解:

$2^6\times 5^1\times {\mathrm{6247}}^1$

素因数の和:6264

約数の個数: 28

約数和(自身を含む): 4760976

約数和(自身を除く): 2761936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 6247, 12494, 24988, 31235, 49976, 62470, 99952, 124940, 199904, 249880, 399808, 499760, 999520, 1999040]

約数ペア:

[(1, 1999040), (2, 999520), (4, 499760), (5, 399808), (8, 249880), (10, 199904), (16, 124940), (20, 99952), (32, 62470), (40, 49976), (64, 31235), (80, 24988), (160, 12494), (320, 6247)]