86209640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{195931}}^1$

素因数の和:195953

約数の個数: 32

約数和(自身を含む): 211606560

約数和(自身を除く): 125396920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 195931, 391862, 783724, 979655, 1567448, 1959310, 2155241, 3918620, 4310482, 7837240, 8620964, 10776205, 17241928, 21552410, 43104820, 86209640]

約数ペア:

[(1, 86209640), (2, 43104820), (4, 21552410), (5, 17241928), (8, 10776205), (10, 8620964), (11, 7837240), (20, 4310482), (22, 3918620), (40, 2155241), (44, 1959310), (55, 1567448), (88, 979655), (110, 783724), (220, 391862), (440, 195931)]