39538660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2591}}^1$

素因数の和:2716

約数の個数: 48

約数和(自身を含む): 95800320

約数和(自身を除く): 56261660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 2591, 3052, 3815, 5182, 7630, 10364, 12955, 15260, 18137, 25910, 36274, 51820, 72548, 90685, 181370, 282419, 362740, 564838, 1129676, 1412095, 1976933, 2824190, 3953866, 5648380, 7907732, 9884665, 19769330, 39538660]

約数ペア:

[(1, 39538660), (2, 19769330), (4, 9884665), (5, 7907732), (7, 5648380), (10, 3953866), (14, 2824190), (20, 1976933), (28, 1412095), (35, 1129676), (70, 564838), (109, 362740), (140, 282419), (218, 181370), (436, 90685), (545, 72548), (763, 51820), (1090, 36274), (1526, 25910), (2180, 18137), (2591, 15260), (3052, 12955), (3815, 10364), (5182, 7630)]