8213900

素因数分解:

$2^2\times 5^2\times {\mathrm{82139}}^1$

素因数の和:82153

約数の個数: 18

約数和(自身を含む): 17824380

約数和(自身を除く): 9610480

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 82139, 164278, 328556, 410695, 821390, 1642780, 2053475, 4106950, 8213900]

約数ペア:

[(1, 8213900), (2, 4106950), (4, 2053475), (5, 1642780), (10, 821390), (20, 410695), (25, 328556), (50, 164278), (100, 82139)]