85044820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20947}}^1$

素因数の和:20992

約数の個数: 48

約数和(自身を含む): 211155840

約数和(自身を除く): 126111020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 20947, 41894, 83788, 104735, 146629, 209470, 293258, 418940, 586516, 607463, 733145, 1214926, 1466290, 2429852, 2932580, 3037315, 4252241, 6074630, 8504482, 12149260, 17008964, 21261205, 42522410, 85044820]

約数ペア:

[(1, 85044820), (2, 42522410), (4, 21261205), (5, 17008964), (7, 12149260), (10, 8504482), (14, 6074630), (20, 4252241), (28, 3037315), (29, 2932580), (35, 2429852), (58, 1466290), (70, 1214926), (116, 733145), (140, 607463), (145, 586516), (203, 418940), (290, 293258), (406, 209470), (580, 146629), (812, 104735), (1015, 83788), (2030, 41894), (4060, 20947)]