80211400

素因数分解:

$2^3\times 5^2\times {\mathrm{401057}}^1$

素因数の和:401073

約数の個数: 24

約数和(自身を含む): 186491970

約数和(自身を除く): 106280570

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 401057, 802114, 1604228, 2005285, 3208456, 4010570, 8021140, 10026425, 16042280, 20052850, 40105700, 80211400]

約数ペア:

[(1, 80211400), (2, 40105700), (4, 20052850), (5, 16042280), (8, 10026425), (10, 8021140), (20, 4010570), (25, 3208456), (40, 2005285), (50, 1604228), (100, 802114), (200, 401057)]