The factors of the number 533,520 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 48, 52, 54, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 108, 114, 117, 120, 130, 135, 144, 152, 156, 171, 180, 190, 195, 208, 216, 228, 234, 240, 247, 260, 270, 285, 304, 312, 342, 351, 360, 380, 390, 432, 456, 468, 494, 513, 520, 540, 570, 585, 624, 684, 702, 720, 741, 760, 780, 855, 912, 936, 988, 1026, 1040, 1080, 1140, 1170, 1235, 1368, 1404, 1482, 1520, 1560, 1710, 1755, 1872, 1976, 2052, 2160, 2223, 2280, 2340, 2470, 2565, 2736, 2808, 2964, 3120, 3420, 3510, 3705, 3952, 4104, 4446, 4560, 4680, 4940, 5130, 5616, 5928, 6669, 6840, 7020, 7410, 8208, 8892, 9360, 9880, 10260, 11115, 11856, 13338, 13680, 14040, 14820, 17784, 19760, 20520, 22230, 26676, 28080, 29640, 33345, 35568, 41040, 44460, 53352, 59280, 66690, 88920, 106704, 133380, 177840, 266760, 533520.
If you add them up, you will get the total of 2,083,200.