271391420

素因数分解:

$2^2\times 5^1\times {\mathrm{13569571}}^1$

素因数の和:13569580

約数の個数: 12

約数和(自身を含む): 569922024

約数和(自身を除く): 298530604

約数列:

[1, 2, 4, 5, 10, 20, 13569571, 27139142, 54278284, 67847855, 135695710, 271391420]

約数ペア:

[(1, 271391420), (2, 135695710), (4, 67847855), (5, 54278284), (10, 27139142), (20, 13569571)]