855888940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1043767}}^1$

素因数の和:1043817

約数の個数: 24

約数和(自身を含む): 1841206752

約数和(自身を除く): 985317812

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1043767, 2087534, 4175068, 5218835, 10437670, 20875340, 42794447, 85588894, 171177788, 213972235, 427944470, 855888940]

約数ペア:

[(1, 855888940), (2, 427944470), (4, 213972235), (5, 171177788), (10, 85588894), (20, 42794447), (41, 20875340), (82, 10437670), (164, 5218835), (205, 4175068), (410, 2087534), (820, 1043767)]