The factors of the number 28,745,920 are: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 140, 160, 164, 205, 224, 280, 287, 313, 320, 328, 410, 448, 560, 574, 626, 656, 820, 1120, 1148, 1252, 1312, 1435, 1565, 1640, 2191, 2240, 2296, 2504, 2624, 2870, 3130, 3280, 4382, 4592, 5008, 5740, 6260, 6560, 8764, 9184, 10016, 10955, 11480, 12520, 12833, 13120, 17528, 18368, 20032, 21910, 22960, 25040, 25666, 35056, 43820, 45920, 50080, 51332, 64165, 70112, 87640, 89831, 91840, 100160, 102664, 128330, 140224, 175280, 179662, 205328, 256660, 350560, 359324, 410656, 449155, 513320, 701120, 718648, 821312, 898310, 1026640, 1437296, 1796620, 2053280, 2874592, 3593240, 4106560, 5749184, 7186480, 14372960, 28745920.
If you add them up, you will get the total of 28,745,971. Now subtract 28,745,920 to get 51,648,128