25646960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 64281600

約数和(自身を除く): 38634640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 359, 376, 380, 470, 718, 752, 760, 893, 940, 1436, 1520, 1786, 1795, 1880, 2872, 3572, 3590, 3760, 4465, 5744, 6821, 7144, 7180, 8930, 13642, 14288, 14360, 16873, 17860, 27284, 28720, 33746, 34105, 35720, 54568, 67492, 68210, 71440, 84365, 109136, 134984, 136420, 168730, 269968, 272840, 320587, 337460, 545680, 641174, 674920, 1282348, 1349840, 1602935, 2564696, 3205870, 5129392, 6411740, 12823480, 25646960]

約数ペア:

[(1, 25646960), (2, 12823480), (4, 6411740), (5, 5129392), (8, 3205870), (10, 2564696), (16, 1602935), (19, 1349840), (20, 1282348), (38, 674920), (40, 641174), (47, 545680), (76, 337460), (80, 320587), (94, 272840), (95, 269968), (152, 168730), (188, 136420), (190, 134984), (235, 109136), (304, 84365), (359, 71440), (376, 68210), (380, 67492), (470, 54568), (718, 35720), (752, 34105), (760, 33746), (893, 28720), (940, 27284), (1436, 17860), (1520, 16873), (1786, 14360), (1795, 14288), (1880, 13642), (2872, 8930), (3572, 7180), (3590, 7144), (3760, 6821), (4465, 5744)]