49999000

素因数分解:

$2^3\times 5^3\times {\mathrm{49999}}^1$

素因数の和:50020

約数の個数: 32

約数和(自身を含む): 117000000

約数和(自身を除く): 67001000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 49999, 99998, 199996, 249995, 399992, 499990, 999980, 1249975, 1999960, 2499950, 4999900, 6249875, 9999800, 12499750, 24999500, 49999000]

約数ペア:

[(1, 49999000), (2, 24999500), (4, 12499750), (5, 9999800), (8, 6249875), (10, 4999900), (20, 2499950), (25, 1999960), (40, 1249975), (50, 999980), (100, 499990), (125, 399992), (200, 249995), (250, 199996), (500, 99998), (1000, 49999)]