82457320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{971}}^1$

素因数の和:1186

約数の個数: 64

約数和(自身を含む): 203653440

約数和(自身を除く): 121196120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 193, 220, 386, 440, 772, 965, 971, 1544, 1930, 1942, 2123, 3860, 3884, 4246, 4855, 7720, 7768, 8492, 9710, 10615, 10681, 16984, 19420, 21230, 21362, 38840, 42460, 42724, 53405, 84920, 85448, 106810, 187403, 213620, 374806, 427240, 749612, 937015, 1499224, 1874030, 2061433, 3748060, 4122866, 7496120, 8245732, 10307165, 16491464, 20614330, 41228660, 82457320]

約数ペア:

[(1, 82457320), (2, 41228660), (4, 20614330), (5, 16491464), (8, 10307165), (10, 8245732), (11, 7496120), (20, 4122866), (22, 3748060), (40, 2061433), (44, 1874030), (55, 1499224), (88, 937015), (110, 749612), (193, 427240), (220, 374806), (386, 213620), (440, 187403), (772, 106810), (965, 85448), (971, 84920), (1544, 53405), (1930, 42724), (1942, 42460), (2123, 38840), (3860, 21362), (3884, 21230), (4246, 19420), (4855, 16984), (7720, 10681), (7768, 10615), (8492, 9710)]