91919080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{208907}}^1$

素因数の和:208929

約数の個数: 32

約数和(自身を含む): 225620640

約数和(自身を除く): 133701560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 208907, 417814, 835628, 1044535, 1671256, 2089070, 2297977, 4178140, 4595954, 8356280, 9191908, 11489885, 18383816, 22979770, 45959540, 91919080]

約数ペア:

[(1, 91919080), (2, 45959540), (4, 22979770), (5, 18383816), (8, 11489885), (10, 9191908), (11, 8356280), (20, 4595954), (22, 4178140), (40, 2297977), (44, 2089070), (55, 1671256), (88, 1044535), (110, 835628), (220, 417814), (440, 208907)]