The factors of the number 40,421,040 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 61, 66, 80, 88, 110, 120, 122, 132, 165, 176, 183, 220, 240, 244, 251, 264, 305, 330, 366, 440, 488, 502, 528, 610, 660, 671, 732, 753, 880, 915, 976, 1004, 1220, 1255, 1320, 1342, 1464, 1506, 1830, 2008, 2013, 2440, 2510, 2640, 2684, 2761, 2928, 3012, 3355, 3660, 3765, 4016, 4026, 4880, 5020, 5368, 5522, 6024, 6710, 7320, 7530, 8052, 8283, 10040, 10065, 10736, 11044, 12048, 13420, 13805, 14640, 15060, 15311, 16104, 16566, 20080, 20130, 22088, 26840, 27610, 30120, 30622, 32208, 33132, 40260, 41415, 44176, 45933, 53680, 55220, 60240, 61244, 66264, 76555, 80520, 82830, 91866, 110440, 122488, 132528, 153110, 161040, 165660, 168421, 183732, 220880, 229665, 244976, 306220, 331320, 336842, 367464, 459330, 505263, 612440, 662640, 673684, 734928, 842105, 918660, 1010526, 1224880, 1347368, 1684210, 1837320, 2021052, 2526315, 2694736, 3368420, 3674640, 4042104, 5052630, 6736840, 8084208, 10105260, 13473680, 20210520, 40421040.
If you add them up, you will get the total of 139,491,072.