51326080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:262

約数の個数: 128

約数和(自身を含む): 137088000

約数和(自身を除く): 85761920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 199, 208, 248, 260, 310, 320, 398, 403, 416, 496, 520, 620, 640, 796, 806, 832, 992, 995, 1040, 1240, 1592, 1612, 1664, 1984, 1990, 2015, 2080, 2480, 2587, 3184, 3224, 3968, 3980, 4030, 4160, 4960, 5174, 6169, 6368, 6448, 7960, 8060, 8320, 9920, 10348, 12338, 12736, 12896, 12935, 15920, 16120, 19840, 20696, 24676, 25472, 25792, 25870, 30845, 31840, 32240, 41392, 49352, 51584, 51740, 61690, 63680, 64480, 80197, 82784, 98704, 103480, 123380, 127360, 128960, 160394, 165568, 197408, 206960, 246760, 257920, 320788, 331136, 394816, 400985, 413920, 493520, 641576, 789632, 801970, 827840, 987040, 1283152, 1603940, 1655680, 1974080, 2566304, 3207880, 3948160, 5132608, 6415760, 10265216, 12831520, 25663040, 51326080]

約数ペア:

[(1, 51326080), (2, 25663040), (4, 12831520), (5, 10265216), (8, 6415760), (10, 5132608), (13, 3948160), (16, 3207880), (20, 2566304), (26, 1974080), (31, 1655680), (32, 1603940), (40, 1283152), (52, 987040), (62, 827840), (64, 801970), (65, 789632), (80, 641576), (104, 493520), (124, 413920), (128, 400985), (130, 394816), (155, 331136), (160, 320788), (199, 257920), (208, 246760), (248, 206960), (260, 197408), (310, 165568), (320, 160394), (398, 128960), (403, 127360), (416, 123380), (496, 103480), (520, 98704), (620, 82784), (640, 80197), (796, 64480), (806, 63680), (832, 61690), (992, 51740), (995, 51584), (1040, 49352), (1240, 41392), (1592, 32240), (1612, 31840), (1664, 30845), (1984, 25870), (1990, 25792), (2015, 25472), (2080, 24676), (2480, 20696), (2587, 19840), (3184, 16120), (3224, 15920), (3968, 12935), (3980, 12896), (4030, 12736), (4160, 12338), (4960, 10348), (5174, 9920), (6169, 8320), (6368, 8060), (6448, 7960)]