20185113440

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:505

約数の個数: 192

約数和(自身を含む): 49895092800

約数和(自身を除く): 29709979360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 107, 149, 160, 164, 193, 205, 214, 298, 328, 386, 410, 428, 535, 596, 656, 745, 772, 820, 856, 965, 1070, 1192, 1312, 1490, 1544, 1640, 1712, 1930, 2140, 2384, 2980, 3088, 3280, 3424, 3860, 4280, 4387, 4768, 5960, 6109, 6176, 6560, 7720, 7913, 8560, 8774, 11920, 12218, 15440, 15826, 15943, 17120, 17548, 20651, 21935, 23840, 24436, 28757, 30545, 30880, 31652, 31886, 35096, 39565, 41302, 43870, 48872, 57514, 61090, 63304, 63772, 70192, 79130, 79715, 82604, 87740, 97744, 103255, 115028, 122180, 126608, 127544, 140384, 143785, 158260, 159430, 165208, 175480, 195488, 206510, 230056, 244360, 253216, 255088, 287570, 316520, 318860, 330416, 350960, 413020, 460112, 488720, 510176, 575140, 633040, 637720, 653663, 660832, 701920, 826040, 846691, 920224, 977440, 1150280, 1179037, 1266080, 1275440, 1307326, 1652080, 1693382, 2300560, 2358074, 2550880, 2614652, 3076999, 3268315, 3304160, 3386764, 4233455, 4601120, 4716148, 5229304, 5895185, 6153998, 6536630, 6773528, 8466910, 9432296, 10458608, 11790370, 12307996, 13073260, 13547056, 15384995, 16933820, 18864592, 20917216, 23580740, 24615992, 26146520, 27094112, 30769990, 33867640, 37729184, 47161480, 49231984, 52293040, 61539980, 67735280, 94322960, 98463968, 104586080, 123079960, 126156959, 135470560, 188645920, 246159920, 252313918, 492319840, 504627836, 630784795, 1009255672, 1261569590, 2018511344, 2523139180, 4037022688, 5046278360, 10092556720, 20185113440]

約数ペア:

[(1, 20185113440), (2, 10092556720), (4, 5046278360), (5, 4037022688), (8, 2523139180), (10, 2018511344), (16, 1261569590), (20, 1009255672), (32, 630784795), (40, 504627836), (41, 492319840), (80, 252313918), (82, 246159920), (107, 188645920), (149, 135470560), (160, 126156959), (164, 123079960), (193, 104586080), (205, 98463968), (214, 94322960), (298, 67735280), (328, 61539980), (386, 52293040), (410, 49231984), (428, 47161480), (535, 37729184), (596, 33867640), (656, 30769990), (745, 27094112), (772, 26146520), (820, 24615992), (856, 23580740), (965, 20917216), (1070, 18864592), (1192, 16933820), (1312, 15384995), (1490, 13547056), (1544, 13073260), (1640, 12307996), (1712, 11790370), (1930, 10458608), (2140, 9432296), (2384, 8466910), (2980, 6773528), (3088, 6536630), (3280, 6153998), (3424, 5895185), (3860, 5229304), (4280, 4716148), (4387, 4601120), (4768, 4233455), (5960, 3386764), (6109, 3304160), (6176, 3268315), (6560, 3076999), (7720, 2614652), (7913, 2550880), (8560, 2358074), (8774, 2300560), (11920, 1693382), (12218, 1652080), (15440, 1307326), (15826, 1275440), (15943, 1266080), (17120, 1179037), (17548, 1150280), (20651, 977440), (21935, 920224), (23840, 846691), (24436, 826040), (28757, 701920), (30545, 660832), (30880, 653663), (31652, 637720), (31886, 633040), (35096, 575140), (39565, 510176), (41302, 488720), (43870, 460112), (48872, 413020), (57514, 350960), (61090, 330416), (63304, 318860), (63772, 316520), (70192, 287570), (79130, 255088), (79715, 253216), (82604, 244360), (87740, 230056), (97744, 206510), (103255, 195488), (115028, 175480), (122180, 165208), (126608, 159430), (127544, 158260), (140384, 143785)]