15940180

素因数分解:

$2^2\times 5^1\times {\mathrm{797009}}^1$

素因数の和:797018

約数の個数: 12

約数和(自身を含む): 33474420

約数和(自身を除く): 17534240

約数列:

[1, 2, 4, 5, 10, 20, 797009, 1594018, 3188036, 3985045, 7970090, 15940180]

約数ペア:

[(1, 15940180), (2, 7970090), (4, 3985045), (5, 3188036), (10, 1594018), (20, 797009)]