66757540

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{2417}}^1$

素因数の和:3807

約数の個数: 24

約数和(自身を含む): 140350392

約数和(自身を除く): 73592852

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2417, 2762, 4834, 5524, 6905, 9668, 12085, 13810, 24170, 27620, 48340, 3337877, 6675754, 13351508, 16689385, 33378770, 66757540]

約数ペア:

[(1, 66757540), (2, 33378770), (4, 16689385), (5, 13351508), (10, 6675754), (20, 3337877), (1381, 48340), (2417, 27620), (2762, 24170), (4834, 13810), (5524, 12085), (6905, 9668)]