The factors of the number 1,991,040 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 61, 64, 68, 80, 85, 96, 102, 120, 122, 128, 136, 160, 170, 183, 192, 204, 240, 244, 255, 272, 305, 320, 340, 366, 384, 408, 480, 488, 510, 544, 610, 640, 680, 732, 816, 915, 960, 976, 1020, 1037, 1088, 1220, 1360, 1464, 1632, 1830, 1920, 1952, 2040, 2074, 2176, 2440, 2720, 2928, 3111, 3264, 3660, 3904, 4080, 4148, 4880, 5185, 5440, 5856, 6222, 6528, 7320, 7808, 8160, 8296, 9760, 10370, 10880, 11712, 12444, 14640, 15555, 16320, 16592, 19520, 20740, 23424, 24888, 29280, 31110, 32640, 33184, 39040, 41480, 49776, 58560, 62220, 66368, 82960, 99552, 117120, 124440, 132736, 165920, 199104, 248880, 331840, 398208, 497760, 663680, 995520, 1991040.
If you add them up, you will get the total of 1,991,044. Now subtract 1,991,040 to get 4,838,880