28512260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{203659}}^1$

素因数の和:203675

約数の個数: 24

約数和(自身を含む): 68429760

約数和(自身を除く): 39917500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 203659, 407318, 814636, 1018295, 1425613, 2036590, 2851226, 4073180, 5702452, 7128065, 14256130, 28512260]

約数ペア:

[(1, 28512260), (2, 14256130), (4, 7128065), (5, 5702452), (7, 4073180), (10, 2851226), (14, 2036590), (20, 1425613), (28, 1018295), (35, 814636), (70, 407318), (140, 203659)]