28698760

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5237}}^1$

素因数の和:5385

約数の個数: 32

約数和(自身を含む): 65055960

約数和(自身を除く): 36357200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5237, 5480, 10474, 20948, 26185, 41896, 52370, 104740, 209480, 717469, 1434938, 2869876, 3587345, 5739752, 7174690, 14349380, 28698760]

約数ペア:

[(1, 28698760), (2, 14349380), (4, 7174690), (5, 5739752), (8, 3587345), (10, 2869876), (20, 1434938), (40, 717469), (137, 209480), (274, 104740), (548, 52370), (685, 41896), (1096, 26185), (1370, 20948), (2740, 10474), (5237, 5480)]