16639540

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6551}}^1$

素因数の和:6687

約数の個数: 24

約数和(自身を含む): 35223552

約数和(自身を除く): 18584012

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 6551, 13102, 26204, 32755, 65510, 131020, 831977, 1663954, 3327908, 4159885, 8319770, 16639540]

約数ペア:

[(1, 16639540), (2, 8319770), (4, 4159885), (5, 3327908), (10, 1663954), (20, 831977), (127, 131020), (254, 65510), (508, 32755), (635, 26204), (1270, 13102), (2540, 6551)]