80020204

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{165331}}^1$

素因数の和:165357

約数の個数: 18

約数和(自身を含む): 153924092

約数和(自身を除く): 73903888

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 165331, 330662, 661324, 1818641, 3637282, 7274564, 20005051, 40010102, 80020204]

約数ペア:

[(1, 80020204), (2, 40010102), (4, 20005051), (11, 7274564), (22, 3637282), (44, 1818641), (121, 661324), (242, 330662), (484, 165331)]