72830180

素因数分解:

$2^2\times 5^1\times {\mathrm{3641509}}^1$

素因数の和:3641518

約数の個数: 12

約数和(自身を含む): 152943420

約数和(自身を除く): 80113240

約数列:

[1, 2, 4, 5, 10, 20, 3641509, 7283018, 14566036, 18207545, 36415090, 72830180]

約数ペア:

[(1, 72830180), (2, 36415090), (4, 18207545), (5, 14566036), (10, 7283018), (20, 3641509)]