7421620

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{857}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 15639624

約数和(自身を除く): 8218004

約数列:

[1, 2, 4, 5, 10, 20, 433, 857, 866, 1714, 1732, 2165, 3428, 4285, 4330, 8570, 8660, 17140, 371081, 742162, 1484324, 1855405, 3710810, 7421620]

約数ペア:

[(1, 7421620), (2, 3710810), (4, 1855405), (5, 1484324), (10, 742162), (20, 371081), (433, 17140), (857, 8660), (866, 8570), (1714, 4330), (1732, 4285), (2165, 3428)]