80808656

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{18233}}^1$

素因数の和:18518

約数の個数: 20

約数和(自身を含む): 157140612

約数和(自身を除く): 76331956

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 18233, 36466, 72932, 145864, 291728, 5050541, 10101082, 20202164, 40404328, 80808656]

約数ペア:

[(1, 80808656), (2, 40404328), (4, 20202164), (8, 10101082), (16, 5050541), (277, 291728), (554, 145864), (1108, 72932), (2216, 36466), (4432, 18233)]