2800505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 3628800

約数和(自身を除く): 828295

約数列:

[1, 5, 19, 41, 95, 205, 719, 779, 3595, 3895, 13661, 29479, 68305, 147395, 560101, 2800505]

約数ペア:

[(1, 2800505), (5, 560101), (19, 147395), (41, 68305), (95, 29479), (205, 13661), (719, 3895), (779, 3595)]