80257264

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 169703424

約数和(自身を除く): 89446160

約数列:

[1, 2, 4, 8, 16, 31, 43, 53, 62, 71, 86, 106, 124, 142, 172, 212, 248, 284, 344, 424, 496, 568, 688, 848, 1136, 1333, 1643, 2201, 2279, 2666, 3053, 3286, 3763, 4402, 4558, 5332, 6106, 6572, 7526, 8804, 9116, 10664, 12212, 13144, 15052, 17608, 18232, 21328, 24424, 26288, 30104, 35216, 36464, 48848, 60208, 70649, 94643, 116653, 141298, 161809, 189286, 233306, 282596, 323618, 378572, 466612, 565192, 647236, 757144, 933224, 1130384, 1294472, 1514288, 1866448, 2588944, 5016079, 10032158, 20064316, 40128632, 80257264]

約数ペア:

[(1, 80257264), (2, 40128632), (4, 20064316), (8, 10032158), (16, 5016079), (31, 2588944), (43, 1866448), (53, 1514288), (62, 1294472), (71, 1130384), (86, 933224), (106, 757144), (124, 647236), (142, 565192), (172, 466612), (212, 378572), (248, 323618), (284, 282596), (344, 233306), (424, 189286), (496, 161809), (568, 141298), (688, 116653), (848, 94643), (1136, 70649), (1333, 60208), (1643, 48848), (2201, 36464), (2279, 35216), (2666, 30104), (3053, 26288), (3286, 24424), (3763, 21328), (4402, 18232), (4558, 17608), (5332, 15052), (6106, 13144), (6572, 12212), (7526, 10664), (8804, 9116)]