28145180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201037}}^1$

素因数の和:201053

約数の個数: 24

約数和(自身を含む): 67548768

約数和(自身を除く): 39403588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201037, 402074, 804148, 1005185, 1407259, 2010370, 2814518, 4020740, 5629036, 7036295, 14072590, 28145180]

約数ペア:

[(1, 28145180), (2, 14072590), (4, 7036295), (5, 5629036), (7, 4020740), (10, 2814518), (14, 2010370), (20, 1407259), (28, 1005185), (35, 804148), (70, 402074), (140, 201037)]