8744420

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1069}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 18425400

約数和(自身を除く): 9680980

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1069, 1636, 2045, 2138, 4090, 4276, 5345, 8180, 10690, 21380, 437221, 874442, 1748884, 2186105, 4372210, 8744420]

約数ペア:

[(1, 8744420), (2, 4372210), (4, 2186105), (5, 1748884), (10, 874442), (20, 437221), (409, 21380), (818, 10690), (1069, 8180), (1636, 5345), (2045, 4276), (2138, 4090)]