2007303920

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{1901}}^1$

素因数の和:2178

約数の個数: 80

約数和(自身を含む): 4763186208

約数和(自身を除く): 2755882288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 197, 268, 335, 394, 536, 670, 788, 985, 1072, 1340, 1576, 1901, 1970, 2680, 3152, 3802, 3940, 5360, 7604, 7880, 9505, 13199, 15208, 15760, 19010, 26398, 30416, 38020, 52796, 65995, 76040, 105592, 127367, 131990, 152080, 211184, 254734, 263980, 374497, 509468, 527960, 636835, 748994, 1018936, 1055920, 1273670, 1497988, 1872485, 2037872, 2547340, 2995976, 3744970, 5094680, 5991952, 7489940, 10189360, 14979880, 25091299, 29959760, 50182598, 100365196, 125456495, 200730392, 250912990, 401460784, 501825980, 1003651960, 2007303920]

約数ペア:

[(1, 2007303920), (2, 1003651960), (4, 501825980), (5, 401460784), (8, 250912990), (10, 200730392), (16, 125456495), (20, 100365196), (40, 50182598), (67, 29959760), (80, 25091299), (134, 14979880), (197, 10189360), (268, 7489940), (335, 5991952), (394, 5094680), (536, 3744970), (670, 2995976), (788, 2547340), (985, 2037872), (1072, 1872485), (1340, 1497988), (1576, 1273670), (1901, 1055920), (1970, 1018936), (2680, 748994), (3152, 636835), (3802, 527960), (3940, 509468), (5360, 374497), (7604, 263980), (7880, 254734), (9505, 211184), (13199, 152080), (15208, 131990), (15760, 127367), (19010, 105592), (26398, 76040), (30416, 65995), (38020, 52796)]