51287360

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1931}}^1$

素因数の和:2031

約数の個数: 56

約数和(自身を含む): 123663456

約数和(自身を除く): 72376096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 830, 1328, 1660, 1931, 2656, 3320, 3862, 5312, 6640, 7724, 9655, 13280, 15448, 19310, 26560, 30896, 38620, 61792, 77240, 123584, 154480, 160273, 308960, 320546, 617920, 641092, 801365, 1282184, 1602730, 2564368, 3205460, 5128736, 6410920, 10257472, 12821840, 25643680, 51287360]

約数ペア:

[(1, 51287360), (2, 25643680), (4, 12821840), (5, 10257472), (8, 6410920), (10, 5128736), (16, 3205460), (20, 2564368), (32, 1602730), (40, 1282184), (64, 801365), (80, 641092), (83, 617920), (160, 320546), (166, 308960), (320, 160273), (332, 154480), (415, 123584), (664, 77240), (830, 61792), (1328, 38620), (1660, 30896), (1931, 26560), (2656, 19310), (3320, 15448), (3862, 13280), (5312, 9655), (6640, 7724)]