Divide a cube with an edge length of 5 cm into several small cubes, and the edge lengths of these small cubes must be whole centimeters. If the volumes of these small cubes are not required to be equal, how many small cubes can be divided into at least.
将1个棱长是5厘米的正方体分割成若干个小的正方体，这些小正方体的棱长必须是整厘米数．如果这些小正方体的体积不要求都相等，那么最少可以分割成多少个小正方体．
<gadget id="calculator">1 + 7 + 42</gadget>
<output>50</output>

<result>50</result>