85354180

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{43997}}^1$

素因数の和:44103

約数の個数: 24

約数和(自身を含む): 181095768

約数和(自身を除く): 95741588

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 43997, 87994, 175988, 219985, 439970, 879940, 4267709, 8535418, 17070836, 21338545, 42677090, 85354180]

約数ペア:

[(1, 85354180), (2, 42677090), (4, 21338545), (5, 17070836), (10, 8535418), (20, 4267709), (97, 879940), (194, 439970), (388, 219985), (485, 175988), (970, 87994), (1940, 43997)]