28521080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2753}}^1$

素因数の和:2808

約数の個数: 64

約数和(自身を含む): 75349440

約数和(自身を除く): 46828360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 2753, 5180, 5506, 10360, 11012, 13765, 19271, 22024, 27530, 38542, 55060, 77084, 96355, 101861, 110120, 154168, 192710, 203722, 385420, 407444, 509305, 713027, 770840, 814888, 1018610, 1426054, 2037220, 2852108, 3565135, 4074440, 5704216, 7130270, 14260540, 28521080]

約数ペア:

[(1, 28521080), (2, 14260540), (4, 7130270), (5, 5704216), (7, 4074440), (8, 3565135), (10, 2852108), (14, 2037220), (20, 1426054), (28, 1018610), (35, 814888), (37, 770840), (40, 713027), (56, 509305), (70, 407444), (74, 385420), (140, 203722), (148, 192710), (185, 154168), (259, 110120), (280, 101861), (296, 96355), (370, 77084), (518, 55060), (740, 38542), (1036, 27530), (1295, 22024), (1480, 19271), (2072, 13765), (2590, 11012), (2753, 10360), (5180, 5506)]