65771440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 175828032

約数和(自身を除く): 110056592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 257, 280, 457, 514, 560, 914, 1028, 1285, 1799, 1828, 2056, 2285, 2570, 3199, 3598, 3656, 4112, 4570, 5140, 6398, 7196, 7312, 8995, 9140, 10280, 12796, 14392, 15995, 17990, 18280, 20560, 25592, 28784, 31990, 35980, 36560, 51184, 63980, 71960, 117449, 127960, 143920, 234898, 255920, 469796, 587245, 822143, 939592, 1174490, 1644286, 1879184, 2348980, 3288572, 4110715, 4697960, 6577144, 8221430, 9395920, 13154288, 16442860, 32885720, 65771440]

約数ペア:

[(1, 65771440), (2, 32885720), (4, 16442860), (5, 13154288), (7, 9395920), (8, 8221430), (10, 6577144), (14, 4697960), (16, 4110715), (20, 3288572), (28, 2348980), (35, 1879184), (40, 1644286), (56, 1174490), (70, 939592), (80, 822143), (112, 587245), (140, 469796), (257, 255920), (280, 234898), (457, 143920), (514, 127960), (560, 117449), (914, 71960), (1028, 63980), (1285, 51184), (1799, 36560), (1828, 35980), (2056, 31990), (2285, 28784), (2570, 25592), (3199, 20560), (3598, 18280), (3656, 17990), (4112, 15995), (4570, 14392), (5140, 12796), (6398, 10280), (7196, 9140), (7312, 8995)]