80755960

素因数分解:

$2^3\times 5^1\times {\mathrm{2018899}}^1$

素因数の和:2018910

約数の個数: 16

約数和(自身を含む): 181701000

約数和(自身を除く): 100945040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2018899, 4037798, 8075596, 10094495, 16151192, 20188990, 40377980, 80755960]

約数ペア:

[(1, 80755960), (2, 40377980), (4, 20188990), (5, 16151192), (8, 10094495), (10, 8075596), (20, 4037798), (40, 2018899)]