67478660

素因数分解:

$2^2\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{2371}}^1$

素因数の和:3803

約数の個数: 24

約数和(自身を含む): 141864576

約数和(自身を除く): 74385916

約数列:

[1, 2, 4, 5, 10, 20, 1423, 2371, 2846, 4742, 5692, 7115, 9484, 11855, 14230, 23710, 28460, 47420, 3373933, 6747866, 13495732, 16869665, 33739330, 67478660]

約数ペア:

[(1, 67478660), (2, 33739330), (4, 16869665), (5, 13495732), (10, 6747866), (20, 3373933), (1423, 47420), (2371, 28460), (2846, 23710), (4742, 14230), (5692, 11855), (7115, 9484)]