16684240

素因数分解:

$2^4\times 5^1\times {\mathrm{208553}}^1$

素因数の和:208566

約数の個数: 20

約数和(自身を含む): 38791044

約数和(自身を除く): 22106804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 208553, 417106, 834212, 1042765, 1668424, 2085530, 3336848, 4171060, 8342120, 16684240]

約数ペア:

[(1, 16684240), (2, 8342120), (4, 4171060), (5, 3336848), (8, 2085530), (10, 1668424), (16, 1042765), (20, 834212), (40, 417106), (80, 208553)]