51707560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{769}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 119403900

約数和(自身を除く): 67696340

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 769, 820, 1538, 1640, 1681, 3076, 3362, 3845, 6152, 6724, 7690, 8405, 13448, 15380, 16810, 30760, 31529, 33620, 63058, 67240, 126116, 157645, 252232, 315290, 630580, 1261160, 1292689, 2585378, 5170756, 6463445, 10341512, 12926890, 25853780, 51707560]

約数ペア:

[(1, 51707560), (2, 25853780), (4, 12926890), (5, 10341512), (8, 6463445), (10, 5170756), (20, 2585378), (40, 1292689), (41, 1261160), (82, 630580), (164, 315290), (205, 252232), (328, 157645), (410, 126116), (769, 67240), (820, 63058), (1538, 33620), (1640, 31529), (1681, 30760), (3076, 16810), (3362, 15380), (3845, 13448), (6152, 8405), (6724, 7690)]