9816680

素因数分解:

$2^3\times 5^1\times {\mathrm{245417}}^1$

素因数の和:245428

約数の個数: 16

約数和(自身を含む): 22087620

約数和(自身を除く): 12270940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 245417, 490834, 981668, 1227085, 1963336, 2454170, 4908340, 9816680]

約数ペア:

[(1, 9816680), (2, 4908340), (4, 2454170), (5, 1963336), (8, 1227085), (10, 981668), (20, 490834), (40, 245417)]