51293920

素因数分解:

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

素因数の和:440

約数の個数: 96

約数和(自身を含む): 130636800

約数和(自身を除く): 79342880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 76, 80, 94, 95, 152, 160, 188, 190, 235, 304, 359, 376, 380, 470, 608, 718, 752, 760, 893, 940, 1436, 1504, 1520, 1786, 1795, 1880, 2872, 3040, 3572, 3590, 3760, 4465, 5744, 6821, 7144, 7180, 7520, 8930, 11488, 13642, 14288, 14360, 16873, 17860, 27284, 28576, 28720, 33746, 34105, 35720, 54568, 57440, 67492, 68210, 71440, 84365, 109136, 134984, 136420, 142880, 168730, 218272, 269968, 272840, 320587, 337460, 539936, 545680, 641174, 674920, 1091360, 1282348, 1349840, 1602935, 2564696, 2699680, 3205870, 5129392, 6411740, 10258784, 12823480, 25646960, 51293920]

約数ペア:

[(1, 51293920), (2, 25646960), (4, 12823480), (5, 10258784), (8, 6411740), (10, 5129392), (16, 3205870), (19, 2699680), (20, 2564696), (32, 1602935), (38, 1349840), (40, 1282348), (47, 1091360), (76, 674920), (80, 641174), (94, 545680), (95, 539936), (152, 337460), (160, 320587), (188, 272840), (190, 269968), (235, 218272), (304, 168730), (359, 142880), (376, 136420), (380, 134984), (470, 109136), (608, 84365), (718, 71440), (752, 68210), (760, 67492), (893, 57440), (940, 54568), (1436, 35720), (1504, 34105), (1520, 33746), (1786, 28720), (1795, 28576), (1880, 27284), (2872, 17860), (3040, 16873), (3572, 14360), (3590, 14288), (3760, 13642), (4465, 11488), (5744, 8930), (6821, 7520), (7144, 7180)]