20126494450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1097}}^1\times {\mathrm{12653}}^1$

素因数の和:13791

約数の個数: 48

約数和(自身を含む): 38764516680

約数和(自身を除く): 18638022230

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1097, 1450, 2194, 5485, 10970, 12653, 25306, 27425, 31813, 54850, 63265, 63626, 126530, 159065, 316325, 318130, 366937, 632650, 733874, 795325, 1590650, 1834685, 3669370, 9173425, 13880341, 18346850, 27760682, 69401705, 138803410, 347008525, 402529889, 694017050, 805059778, 2012649445, 4025298890, 10063247225, 20126494450]

約数ペア:

[(1, 20126494450), (2, 10063247225), (5, 4025298890), (10, 2012649445), (25, 805059778), (29, 694017050), (50, 402529889), (58, 347008525), (145, 138803410), (290, 69401705), (725, 27760682), (1097, 18346850), (1450, 13880341), (2194, 9173425), (5485, 3669370), (10970, 1834685), (12653, 1590650), (25306, 795325), (27425, 733874), (31813, 632650), (54850, 366937), (63265, 318130), (63626, 316325), (126530, 159065)]