66739480

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{4951}}^1$

素因数の和:5299

約数の個数: 32

約数和(自身を含む): 150639840

約数和(自身を除く): 83900360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 4951, 6740, 9902, 13480, 19804, 24755, 39608, 49510, 99020, 198040, 1668487, 3336974, 6673948, 8342435, 13347896, 16684870, 33369740, 66739480]

約数ペア:

[(1, 66739480), (2, 33369740), (4, 16684870), (5, 13347896), (8, 8342435), (10, 6673948), (20, 3336974), (40, 1668487), (337, 198040), (674, 99020), (1348, 49510), (1685, 39608), (2696, 24755), (3370, 19804), (4951, 13480), (6740, 9902)]