71252240

素因数分解:

$2^4\times 5^1\times {\mathrm{890653}}^1$

素因数の和:890666

約数の個数: 20

約数和(自身を含む): 165661644

約数和(自身を除く): 94409404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 890653, 1781306, 3562612, 4453265, 7125224, 8906530, 14250448, 17813060, 35626120, 71252240]

約数ペア:

[(1, 71252240), (2, 35626120), (4, 17813060), (5, 14250448), (8, 8906530), (10, 7125224), (16, 4453265), (20, 3562612), (40, 1781306), (80, 890653)]