78264880

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2903}}^1$

素因数の和:3253

約数の個数: 40

約数和(自身を含む): 182568672

約数和(自身を除く): 104303792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 1348, 1685, 2696, 2903, 3370, 5392, 5806, 6740, 11612, 13480, 14515, 23224, 26960, 29030, 46448, 58060, 116120, 232240, 978311, 1956622, 3913244, 4891555, 7826488, 9783110, 15652976, 19566220, 39132440, 78264880]

約数ペア:

[(1, 78264880), (2, 39132440), (4, 19566220), (5, 15652976), (8, 9783110), (10, 7826488), (16, 4891555), (20, 3913244), (40, 1956622), (80, 978311), (337, 232240), (674, 116120), (1348, 58060), (1685, 46448), (2696, 29030), (2903, 26960), (3370, 23224), (5392, 14515), (5806, 13480), (6740, 11612)]