66496840

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{4933}}^1$

素因数の和:5281

約数の個数: 32

約数和(自身を含む): 150092280

約数和(自身を除く): 83595440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 4933, 6740, 9866, 13480, 19732, 24665, 39464, 49330, 98660, 197320, 1662421, 3324842, 6649684, 8312105, 13299368, 16624210, 33248420, 66496840]

約数ペア:

[(1, 66496840), (2, 33248420), (4, 16624210), (5, 13299368), (8, 8312105), (10, 6649684), (20, 3324842), (40, 1662421), (337, 197320), (674, 98660), (1348, 49330), (1685, 39464), (2696, 24665), (3370, 19732), (4933, 13480), (6740, 9866)]