39919460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{285139}}^1$

素因数の和:285155

約数の個数: 24

約数和(自身を含む): 95807040

約数和(自身を除く): 55887580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 285139, 570278, 1140556, 1425695, 1995973, 2851390, 3991946, 5702780, 7983892, 9979865, 19959730, 39919460]

約数ペア:

[(1, 39919460), (2, 19959730), (4, 9979865), (5, 7983892), (7, 5702780), (10, 3991946), (14, 2851390), (20, 1995973), (28, 1425695), (35, 1140556), (70, 570278), (140, 285139)]