article: Abundant number
links: 140 (number) 18 (number) 60 (number) 108 (number) 30 (number) 162 (number) 102 (number) 66 (number) 500 (number) 138 (number) 80 (number) 40 (number) 84 (number) 54 (number) 104 (number) 114 (number) 126 (number) 90 (number) Perfect number 78 (number) 144 (number) 24 (number) 36 (number) 48 (number) 168 (number) 120 (number) 72 (number) 160 (number) 56 (number) 150 (number) 132 (number) 12 (number) 156 (number) 88 (number) 42 (number) 112 (number) 96 (number) 100 (number) 20 (number)