77759840

素因数分解:

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

素因数の和:2679

約数の個数: 48

約数和(自身を含む): 184714992

約数和(自身を除く): 106955152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 2467, 3152, 3940, 4934, 6304, 7880, 9868, 12335, 15760, 19736, 24670, 31520, 39472, 49340, 78944, 98680, 197360, 394720, 485999, 971998, 1943996, 2429995, 3887992, 4859990, 7775984, 9719980, 15551968, 19439960, 38879920, 77759840]

約数ペア:

[(1, 77759840), (2, 38879920), (4, 19439960), (5, 15551968), (8, 9719980), (10, 7775984), (16, 4859990), (20, 3887992), (32, 2429995), (40, 1943996), (80, 971998), (160, 485999), (197, 394720), (394, 197360), (788, 98680), (985, 78944), (1576, 49340), (1970, 39472), (2467, 31520), (3152, 24670), (3940, 19736), (4934, 15760), (6304, 12335), (7880, 9868)]