85099804540

素因数分解:

$2^2\times 5^1\times {\mathrm{4254990227}}^1$

素因数の和:4254990236

約数の個数: 12

約数和(自身を含む): 178709589576

約数和(自身を除く): 93609785036

約数列:

[1, 2, 4, 5, 10, 20, 4254990227, 8509980454, 17019960908, 21274951135, 42549902270, 85099804540]

約数ペア:

[(1, 85099804540), (2, 42549902270), (4, 21274951135), (5, 17019960908), (10, 8509980454), (20, 4254990227)]