205691680

素因数分解:

$2^5\times 5^1\times {\mathrm{193}}^1\times {\mathrm{6661}}^1$

素因数の和:6869

約数の個数: 48

約数和(自身を含む): 488537784

約数和(自身を除く): 282846104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 6176, 6661, 7720, 13322, 15440, 26644, 30880, 33305, 53288, 66610, 106576, 133220, 213152, 266440, 532880, 1065760, 1285573, 2571146, 5142292, 6427865, 10284584, 12855730, 20569168, 25711460, 41138336, 51422920, 102845840, 205691680]

約数ペア:

[(1, 205691680), (2, 102845840), (4, 51422920), (5, 41138336), (8, 25711460), (10, 20569168), (16, 12855730), (20, 10284584), (32, 6427865), (40, 5142292), (80, 2571146), (160, 1285573), (193, 1065760), (386, 532880), (772, 266440), (965, 213152), (1544, 133220), (1930, 106576), (3088, 66610), (3860, 53288), (6176, 33305), (6661, 30880), (7720, 26644), (13322, 15440)]