262040

素因数分解:

$2^3\times 5^1\times {\mathrm{6551}}^1$

素因数の和:6562

約数の個数: 16

約数和(自身を含む): 589680

約数和(自身を除く): 327640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6551, 13102, 26204, 32755, 52408, 65510, 131020, 262040]

約数ペア:

[(1, 262040), (2, 131020), (4, 65510), (5, 52408), (8, 32755), (10, 26204), (20, 13102), (40, 6551)]