51509360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1559}}^1$

素因数の和:1638

約数の個数: 80

約数和(自身を含む): 139276800

約数和(自身を除く): 87767440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 472, 560, 590, 826, 944, 1180, 1559, 1652, 2065, 2360, 3118, 3304, 4130, 4720, 6236, 6608, 7795, 8260, 10913, 12472, 15590, 16520, 21826, 24944, 31180, 33040, 43652, 54565, 62360, 87304, 91981, 109130, 124720, 174608, 183962, 218260, 367924, 436520, 459905, 643867, 735848, 873040, 919810, 1287734, 1471696, 1839620, 2575468, 3219335, 3679240, 5150936, 6438670, 7358480, 10301872, 12877340, 25754680, 51509360]

約数ペア:

[(1, 51509360), (2, 25754680), (4, 12877340), (5, 10301872), (7, 7358480), (8, 6438670), (10, 5150936), (14, 3679240), (16, 3219335), (20, 2575468), (28, 1839620), (35, 1471696), (40, 1287734), (56, 919810), (59, 873040), (70, 735848), (80, 643867), (112, 459905), (118, 436520), (140, 367924), (236, 218260), (280, 183962), (295, 174608), (413, 124720), (472, 109130), (560, 91981), (590, 87304), (826, 62360), (944, 54565), (1180, 43652), (1559, 33040), (1652, 31180), (2065, 24944), (2360, 21826), (3118, 16520), (3304, 15590), (4130, 12472), (4720, 10913), (6236, 8260), (6608, 7795)]