The factors of the number 4,057,032 are: 1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 31, 38, 41, 42, 56, 57, 62, 76, 82, 84, 93, 114, 123, 124, 133, 152, 164, 168, 186, 217, 228, 246, 248, 266, 287, 328, 372, 399, 434, 456, 492, 532, 574, 589, 651, 744, 779, 798, 861, 868, 984, 1064, 1148, 1178, 1271, 1302, 1558, 1596, 1722, 1736, 1767, 2296, 2337, 2356, 2542, 2604, 3116, 3192, 3444, 3534, 3813, 4123, 4674, 4712, 5084, 5208, 5453, 6232, 6888, 7068, 7626, 8246, 8897, 9348, 10168, 10906, 12369, 14136, 15252, 16359, 16492, 17794, 18696, 21812, 24149, 24738, 26691, 30504, 32718, 32984, 35588, 43624, 48298, 49476, 53382, 65436, 71176, 72447, 96596, 98952, 106764, 130872, 144894, 169043, 193192, 213528, 289788, 338086, 507129, 579576, 676172, 1014258, 1352344, 2028516, 4057032.
If you add them up, you will get the total of 12,902,400.