65871620

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{6763}}^1$

素因数の和:7259

約数の個数: 24

約数和(自身を含む): 138634944

約数和(自身を除く): 72763324

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 6763, 9740, 13526, 27052, 33815, 67630, 135260, 3293581, 6587162, 13174324, 16467905, 32935810, 65871620]

約数ペア:

[(1, 65871620), (2, 32935810), (4, 16467905), (5, 13174324), (10, 6587162), (20, 3293581), (487, 135260), (974, 67630), (1948, 33815), (2435, 27052), (4870, 13526), (6763, 9740)]