39660040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{719}}^1$

素因数の和:934

約数の個数: 64

約数和(自身を含む): 102643200

約数和(自身を除く): 62983160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 719, 788, 985, 1379, 1438, 1576, 1970, 2758, 2876, 3595, 3940, 5033, 5516, 5752, 6895, 7190, 7880, 10066, 11032, 13790, 14380, 20132, 25165, 27580, 28760, 40264, 50330, 55160, 100660, 141643, 201320, 283286, 566572, 708215, 991501, 1133144, 1416430, 1983002, 2832860, 3966004, 4957505, 5665720, 7932008, 9915010, 19830020, 39660040]

約数ペア:

[(1, 39660040), (2, 19830020), (4, 9915010), (5, 7932008), (7, 5665720), (8, 4957505), (10, 3966004), (14, 2832860), (20, 1983002), (28, 1416430), (35, 1133144), (40, 991501), (56, 708215), (70, 566572), (140, 283286), (197, 201320), (280, 141643), (394, 100660), (719, 55160), (788, 50330), (985, 40264), (1379, 28760), (1438, 27580), (1576, 25165), (1970, 20132), (2758, 14380), (2876, 13790), (3595, 11032), (3940, 10066), (5033, 7880), (5516, 7190), (5752, 6895)]