172406110

素因数分解:

$2^1\times 5^1\times {\mathrm{839}}^1\times {\mathrm{20549}}^1$

素因数の和:21395

約数の個数: 16

約数和(自身を含む): 310716000

約数和(自身を除く): 138309890

約数列:

[1, 2, 5, 10, 839, 1678, 4195, 8390, 20549, 41098, 102745, 205490, 17240611, 34481222, 86203055, 172406110]

約数ペア:

[(1, 172406110), (2, 86203055), (5, 34481222), (10, 17240611), (839, 205490), (1678, 102745), (4195, 41098), (8390, 20549)]