38879920

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2467}}^1$

素因数の和:2677

約数の個数: 40

約数和(自身を含む): 90891504

約数和(自身を除く): 52011584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 2467, 3152, 3940, 4934, 7880, 9868, 12335, 15760, 19736, 24670, 39472, 49340, 98680, 197360, 485999, 971998, 1943996, 2429995, 3887992, 4859990, 7775984, 9719980, 19439960, 38879920]

約数ペア:

[(1, 38879920), (2, 19439960), (4, 9719980), (5, 7775984), (8, 4859990), (10, 3887992), (16, 2429995), (20, 1943996), (40, 971998), (80, 485999), (197, 197360), (394, 98680), (788, 49340), (985, 39472), (1576, 24670), (1970, 19736), (2467, 15760), (3152, 12335), (3940, 9868), (4934, 7880)]