805580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 1729728

約数和(自身を除く): 924148

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 857, 940, 1714, 3428, 4285, 8570, 17140, 40279, 80558, 161116, 201395, 402790, 805580]

約数ペア:

[(1, 805580), (2, 402790), (4, 201395), (5, 161116), (10, 80558), (20, 40279), (47, 17140), (94, 8570), (188, 4285), (235, 3428), (470, 1714), (857, 940)]