diff --git a/Maths/AliquotSum.java b/Maths/AliquotSum.java
index 8d60df8af..28dbca41a 100644
--- a/Maths/AliquotSum.java
+++ b/Maths/AliquotSum.java
@@ -25,7 +25,7 @@ public class AliquotSum {
      */
     public static int aliquotSum(int number) {
         int sum = 0;
-        for (int i = 1; i < number; ++i) {
+        for (int i = 1, limit = number / 2; i <= limit; ++i) {
             if (number % i == 0) {
                 sum += i;
             }