2018367440

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{1543}}^1$

素因数の和:1836

約数の個数: 80

約数和(自身を含む): 4776444288

約数和(自身を除く): 2758076848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 197, 332, 394, 415, 664, 788, 830, 985, 1328, 1543, 1576, 1660, 1970, 3086, 3152, 3320, 3940, 6172, 6640, 7715, 7880, 12344, 15430, 15760, 16351, 24688, 30860, 32702, 61720, 65404, 81755, 123440, 128069, 130808, 163510, 256138, 261616, 303971, 327020, 512276, 607942, 640345, 654040, 1024552, 1215884, 1280690, 1308080, 1519855, 2049104, 2431768, 2561380, 3039710, 4863536, 5122760, 6079420, 10245520, 12158840, 24317680, 25229593, 50459186, 100918372, 126147965, 201836744, 252295930, 403673488, 504591860, 1009183720, 2018367440]

約数ペア:

[(1, 2018367440), (2, 1009183720), (4, 504591860), (5, 403673488), (8, 252295930), (10, 201836744), (16, 126147965), (20, 100918372), (40, 50459186), (80, 25229593), (83, 24317680), (166, 12158840), (197, 10245520), (332, 6079420), (394, 5122760), (415, 4863536), (664, 3039710), (788, 2561380), (830, 2431768), (985, 2049104), (1328, 1519855), (1543, 1308080), (1576, 1280690), (1660, 1215884), (1970, 1024552), (3086, 654040), (3152, 640345), (3320, 607942), (3940, 512276), (6172, 327020), (6640, 303971), (7715, 261616), (7880, 256138), (12344, 163510), (15430, 130808), (15760, 128069), (16351, 123440), (24688, 81755), (30860, 65404), (32702, 61720)]