804941680

素因数分解:

$2^4\times 5^1\times {\mathrm{10061771}}^1$

素因数の和:10061784

約数の個数: 20

約数和(自身を含む): 1871489592

約数和(自身を除く): 1066547912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10061771, 20123542, 40247084, 50308855, 80494168, 100617710, 160988336, 201235420, 402470840, 804941680]

約数ペア:

[(1, 804941680), (2, 402470840), (4, 201235420), (5, 160988336), (8, 100617710), (10, 80494168), (16, 50308855), (20, 40247084), (40, 20123542), (80, 10061771)]