80458400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 220485888

約数和(自身を除く): 140027488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 41, 44, 50, 55, 80, 82, 88, 100, 110, 160, 164, 176, 200, 205, 220, 223, 275, 328, 352, 400, 410, 440, 446, 451, 550, 656, 800, 820, 880, 892, 902, 1025, 1100, 1115, 1312, 1640, 1760, 1784, 1804, 2050, 2200, 2230, 2255, 2453, 3280, 3568, 3608, 4100, 4400, 4460, 4510, 4906, 5575, 6560, 7136, 7216, 8200, 8800, 8920, 9020, 9143, 9812, 11150, 11275, 12265, 14432, 16400, 17840, 18040, 18286, 19624, 22300, 22550, 24530, 32800, 35680, 36080, 36572, 39248, 44600, 45100, 45715, 49060, 61325, 72160, 73144, 78496, 89200, 90200, 91430, 98120, 100573, 122650, 146288, 178400, 180400, 182860, 196240, 201146, 228575, 245300, 292576, 360800, 365720, 392480, 402292, 457150, 490600, 502865, 731440, 804584, 914300, 981200, 1005730, 1462880, 1609168, 1828600, 1962400, 2011460, 2514325, 3218336, 3657200, 4022920, 5028650, 7314400, 8045840, 10057300, 16091680, 20114600, 40229200, 80458400]

約数ペア:

[(1, 80458400), (2, 40229200), (4, 20114600), (5, 16091680), (8, 10057300), (10, 8045840), (11, 7314400), (16, 5028650), (20, 4022920), (22, 3657200), (25, 3218336), (32, 2514325), (40, 2011460), (41, 1962400), (44, 1828600), (50, 1609168), (55, 1462880), (80, 1005730), (82, 981200), (88, 914300), (100, 804584), (110, 731440), (160, 502865), (164, 490600), (176, 457150), (200, 402292), (205, 392480), (220, 365720), (223, 360800), (275, 292576), (328, 245300), (352, 228575), (400, 201146), (410, 196240), (440, 182860), (446, 180400), (451, 178400), (550, 146288), (656, 122650), (800, 100573), (820, 98120), (880, 91430), (892, 90200), (902, 89200), (1025, 78496), (1100, 73144), (1115, 72160), (1312, 61325), (1640, 49060), (1760, 45715), (1784, 45100), (1804, 44600), (2050, 39248), (2200, 36572), (2230, 36080), (2255, 35680), (2453, 32800), (3280, 24530), (3568, 22550), (3608, 22300), (4100, 19624), (4400, 18286), (4460, 18040), (4510, 17840), (4906, 16400), (5575, 14432), (6560, 12265), (7136, 11275), (7216, 11150), (8200, 9812), (8800, 9143), (8920, 9020)]