85816940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{390077}}^1$

素因数の和:390097

約数の個数: 24

約数和(自身を含む): 196599312

約数和(自身を除く): 110782372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 390077, 780154, 1560308, 1950385, 3900770, 4290847, 7801540, 8581694, 17163388, 21454235, 42908470, 85816940]

約数ペア:

[(1, 85816940), (2, 42908470), (4, 21454235), (5, 17163388), (10, 8581694), (11, 7801540), (20, 4290847), (22, 3900770), (44, 1950385), (55, 1560308), (110, 780154), (220, 390077)]