The factors of the number 8,444,880 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 317, 333, 360, 370, 444, 555, 592, 634, 666, 720, 740, 888, 951, 1110, 1268, 1332, 1480, 1585, 1665, 1776, 1902, 2220, 2536, 2664, 2853, 2960, 3170, 3330, 3804, 4440, 4755, 5072, 5328, 5706, 6340, 6660, 7608, 8880, 9510, 11412, 11729, 12680, 13320, 14265, 15216, 19020, 22824, 23458, 25360, 26640, 28530, 35187, 38040, 45648, 46916, 57060, 58645, 70374, 76080, 93832, 105561, 114120, 117290, 140748, 175935, 187664, 211122, 228240, 234580, 281496, 351870, 422244, 469160, 527805, 562992, 703740, 844488, 938320, 1055610, 1407480, 1688976, 2111220, 2814960, 4222440, 8444880.
If you add them up, you will get the total of 29,219,112.