28159460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201139}}^1$

素因数の和:201155

約数の個数: 24

約数和(自身を含む): 67583040

約数和(自身を除く): 39423580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201139, 402278, 804556, 1005695, 1407973, 2011390, 2815946, 4022780, 5631892, 7039865, 14079730, 28159460]

約数ペア:

[(1, 28159460), (2, 14079730), (4, 7039865), (5, 5631892), (7, 4022780), (10, 2815946), (14, 2011390), (20, 1407973), (28, 1005695), (35, 804556), (70, 402278), (140, 201139)]