20164763500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{140521}}^1$

素因数の和:140588

約数の個数: 96

約数和(自身を含む): 51559208064

約数和(自身を除く): 31394444564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 125, 140, 164, 175, 205, 250, 287, 350, 410, 500, 574, 700, 820, 875, 1025, 1148, 1435, 1750, 2050, 2870, 3500, 4100, 5125, 5740, 7175, 10250, 14350, 20500, 28700, 35875, 71750, 140521, 143500, 281042, 562084, 702605, 983647, 1405210, 1967294, 2810420, 3513025, 3934588, 4918235, 5761361, 7026050, 9836470, 11522722, 14052100, 17565125, 19672940, 23045444, 24591175, 28806805, 35130250, 40329527, 49182350, 57613610, 70260500, 80659054, 98364700, 115227220, 122955875, 144034025, 161318108, 201647635, 245911750, 288068050, 403295270, 491823500, 576136100, 720170125, 806590540, 1008238175, 1440340250, 2016476350, 2880680500, 4032952700, 5041190875, 10082381750, 20164763500]

約数ペア:

[(1, 20164763500), (2, 10082381750), (4, 5041190875), (5, 4032952700), (7, 2880680500), (10, 2016476350), (14, 1440340250), (20, 1008238175), (25, 806590540), (28, 720170125), (35, 576136100), (41, 491823500), (50, 403295270), (70, 288068050), (82, 245911750), (100, 201647635), (125, 161318108), (140, 144034025), (164, 122955875), (175, 115227220), (205, 98364700), (250, 80659054), (287, 70260500), (350, 57613610), (410, 49182350), (500, 40329527), (574, 35130250), (700, 28806805), (820, 24591175), (875, 23045444), (1025, 19672940), (1148, 17565125), (1435, 14052100), (1750, 11522722), (2050, 9836470), (2870, 7026050), (3500, 5761361), (4100, 4918235), (5125, 3934588), (5740, 3513025), (7175, 2810420), (10250, 1967294), (14350, 1405210), (20500, 983647), (28700, 702605), (35875, 562084), (71750, 281042), (140521, 143500)]