180500980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{820459}}^1$

素因数の和:820479

約数の個数: 24

約数和(自身を含む): 413511840

約数和(自身を除く): 233010860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 820459, 1640918, 3281836, 4102295, 8204590, 9025049, 16409180, 18050098, 36100196, 45125245, 90250490, 180500980]

約数ペア:

[(1, 180500980), (2, 90250490), (4, 45125245), (5, 36100196), (10, 18050098), (11, 16409180), (20, 9025049), (22, 8204590), (44, 4102295), (55, 3281836), (110, 1640918), (220, 820459)]