51277520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 141133824

約数和(自身を除く): 89856304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 103, 112, 127, 140, 196, 206, 245, 254, 280, 392, 412, 490, 508, 515, 560, 635, 721, 784, 824, 889, 980, 1016, 1030, 1270, 1442, 1648, 1778, 1960, 2032, 2060, 2540, 2884, 3556, 3605, 3920, 4120, 4445, 5047, 5080, 5768, 6223, 7112, 7210, 8240, 8890, 10094, 10160, 11536, 12446, 13081, 14224, 14420, 17780, 20188, 24892, 25235, 26162, 28840, 31115, 35560, 40376, 49784, 50470, 52324, 57680, 62230, 65405, 71120, 80752, 91567, 99568, 100940, 104648, 124460, 130810, 183134, 201880, 209296, 248920, 261620, 366268, 403760, 457835, 497840, 523240, 640969, 732536, 915670, 1046480, 1281938, 1465072, 1831340, 2563876, 3204845, 3662680, 5127752, 6409690, 7325360, 10255504, 12819380, 25638760, 51277520]

約数ペア:

[(1, 51277520), (2, 25638760), (4, 12819380), (5, 10255504), (7, 7325360), (8, 6409690), (10, 5127752), (14, 3662680), (16, 3204845), (20, 2563876), (28, 1831340), (35, 1465072), (40, 1281938), (49, 1046480), (56, 915670), (70, 732536), (80, 640969), (98, 523240), (103, 497840), (112, 457835), (127, 403760), (140, 366268), (196, 261620), (206, 248920), (245, 209296), (254, 201880), (280, 183134), (392, 130810), (412, 124460), (490, 104648), (508, 100940), (515, 99568), (560, 91567), (635, 80752), (721, 71120), (784, 65405), (824, 62230), (889, 57680), (980, 52324), (1016, 50470), (1030, 49784), (1270, 40376), (1442, 35560), (1648, 31115), (1778, 28840), (1960, 26162), (2032, 25235), (2060, 24892), (2540, 20188), (2884, 17780), (3556, 14420), (3605, 14224), (3920, 13081), (4120, 12446), (4445, 11536), (5047, 10160), (5080, 10094), (5768, 8890), (6223, 8240), (7112, 7210)]