65715620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{80141}}^1$

素因数の和:80191

約数の個数: 24

約数和(自身を含む): 141370488

約数和(自身を除く): 75654868

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 80141, 160282, 320564, 400705, 801410, 1602820, 3285781, 6571562, 13143124, 16428905, 32857810, 65715620]

約数ペア:

[(1, 65715620), (2, 32857810), (4, 16428905), (5, 13143124), (10, 6571562), (20, 3285781), (41, 1602820), (82, 801410), (164, 400705), (205, 320564), (410, 160282), (820, 80141)]