804500920

素因数分解:

$2^3\times 5^1\times {\mathrm{20112523}}^1$

素因数の和:20112534

約数の個数: 16

約数和(自身を含む): 1810127160

約数和(自身を除く): 1005626240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20112523, 40225046, 80450092, 100562615, 160900184, 201125230, 402250460, 804500920]

約数ペア:

[(1, 804500920), (2, 402250460), (4, 201125230), (5, 160900184), (8, 100562615), (10, 80450092), (20, 40225046), (40, 20112523)]