25643680

素因数分解:

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

素因数の和:2029

約数の個数: 48

約数和(自身を含む): 61344864

約数和(自身を除く): 35701184

約数列:

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

約数ペア:

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