The factors of the number 12,040,224 are: 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 23, 24, 28, 32, 38, 41, 42, 46, 48, 56, 57, 69, 76, 82, 84, 92, 96, 112, 114, 123, 133, 138, 152, 161, 164, 168, 184, 224, 228, 246, 266, 276, 287, 304, 322, 328, 336, 368, 399, 437, 456, 483, 492, 532, 552, 574, 608, 644, 656, 672, 736, 779, 798, 861, 874, 912, 943, 966, 984, 1064, 1104, 1148, 1288, 1311, 1312, 1558, 1596, 1722, 1748, 1824, 1886, 1932, 1968, 2128, 2208, 2296, 2337, 2576, 2622, 2829, 3059, 3116, 3192, 3444, 3496, 3772, 3864, 3936, 4256, 4592, 4674, 5152, 5244, 5453, 5658, 6118, 6232, 6384, 6601, 6888, 6992, 7544, 7728, 9177, 9184, 9348, 10488, 10906, 11316, 12236, 12464, 12768, 13202, 13776, 13984, 15088, 15456, 16359, 17917, 18354, 18696, 19803, 20976, 21812, 22632, 24472, 24928, 26404, 27552, 30176, 32718, 35834, 36708, 37392, 39606, 41952, 43624, 45264, 48944, 52808, 53751, 65436, 71668, 73416, 74784, 79212, 87248, 90528, 97888, 105616, 107502, 125419, 130872, 143336, 146832, 158424, 174496, 211232, 215004, 250838, 261744, 286672, 293664, 316848, 376257, 430008, 501676, 523488, 573344, 633696, 752514, 860016, 1003352, 1505028, 1720032, 2006704, 3010056, 4013408, 6020112, 12040224.
If you add them up, you will get the total of 40,642,560.