There are 48 students in class 2 of the fifth grade in the experimental primary school. They should be divided into activity groups with equal numbers. How many different division methods are there?
实验小学五年级2班有48名同学，要分为人数相等的活动小组，共有多少种不同的分法．
<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">1 + 1</gadget>
<output>2</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<result>10</result>