156931420180

素因数分解:

$2^2\times 5^1\times {\mathrm{7846571009}}^1$

素因数の和:7846571018

約数の個数: 12

約数和(自身を含む): 329555982420

約数和(自身を除く): 172624562240

約数列:

[1, 2, 4, 5, 10, 20, 7846571009, 15693142018, 31386284036, 39232855045, 78465710090, 156931420180]

約数ペア:

[(1, 156931420180), (2, 78465710090), (4, 39232855045), (5, 31386284036), (10, 15693142018), (20, 7846571009)]