The factors of the number 52,505,320 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 263, 280, 310, 322, 434, 460, 526, 620, 644, 713, 805, 868, 920, 1052, 1085, 1240, 1288, 1315, 1426, 1610, 1736, 1841, 2104, 2170, 2630, 2852, 3220, 3565, 3682, 4340, 4991, 5260, 5704, 6049, 6440, 7130, 7364, 8153, 8680, 9205, 9982, 10520, 12098, 14260, 14728, 16306, 18410, 19964, 24196, 24955, 28520, 30245, 32612, 36820, 39928, 40765, 42343, 48392, 49910, 57071, 60490, 65224, 73640, 81530, 84686, 99820, 114142, 120980, 163060, 169372, 187519, 199640, 211715, 228284, 241960, 285355, 326120, 338744, 375038, 423430, 456568, 570710, 750076, 846860, 937595, 1141420, 1312633, 1500152, 1693720, 1875190, 2282840, 2625266, 3750380, 5250532, 6563165, 7500760, 10501064, 13126330, 26252660, 52505320.
If you add them up, you will get the total of 145,981,440.