51545800

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2657}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 121125060

約数和(自身を除く): 69579260

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 2425, 2657, 3880, 4850, 5314, 9700, 10628, 13285, 19400, 21256, 26570, 53140, 66425, 106280, 132850, 257729, 265700, 515458, 531400, 1030916, 1288645, 2061832, 2577290, 5154580, 6443225, 10309160, 12886450, 25772900, 51545800]

約数ペア:

[(1, 51545800), (2, 25772900), (4, 12886450), (5, 10309160), (8, 6443225), (10, 5154580), (20, 2577290), (25, 2061832), (40, 1288645), (50, 1030916), (97, 531400), (100, 515458), (194, 265700), (200, 257729), (388, 132850), (485, 106280), (776, 66425), (970, 53140), (1940, 26570), (2425, 21256), (2657, 19400), (3880, 13285), (4850, 10628), (5314, 9700)]