86980210

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{20759}}^1$

素因数の和:21185

約数の個数: 16

約数和(自身を含む): 156945600

約数和(自身を除く): 69965390

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 20759, 41518, 103795, 207590, 8698021, 17396042, 43490105, 86980210]

約数ペア:

[(1, 86980210), (2, 43490105), (5, 17396042), (10, 8698021), (419, 207590), (838, 103795), (2095, 41518), (4190, 20759)]