8217940

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2129}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 17355240

約数和(自身を除く): 9137300

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 2129, 3860, 4258, 8516, 10645, 21290, 42580, 410897, 821794, 1643588, 2054485, 4108970, 8217940]

約数ペア:

[(1, 8217940), (2, 4108970), (4, 2054485), (5, 1643588), (10, 821794), (20, 410897), (193, 42580), (386, 21290), (772, 10645), (965, 8516), (1930, 4258), (2129, 3860)]