The factors of the number 11,552,640 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 547, 640, 660, 704, 880, 960, 1056, 1094, 1320, 1408, 1641, 1760, 1920, 2112, 2188, 2640, 2735, 3282, 3520, 4224, 4376, 5280, 5470, 6017, 6564, 7040, 8205, 8752, 10560, 10940, 12034, 13128, 16410, 17504, 18051, 21120, 21880, 24068, 26256, 30085, 32820, 35008, 36102, 43760, 48136, 52512, 60170, 65640, 70016, 72204, 87520, 90255, 96272, 105024, 120340, 131280, 144408, 175040, 180510, 192544, 210048, 240680, 262560, 288816, 350080, 361020, 385088, 481360, 525120, 577632, 722040, 770176, 962720, 1050240, 1155264, 1444080, 1925440, 2310528, 2888160, 3850880, 5776320, 11552640.
If you add them up, you will get the total of 40,245,120.