320760005

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{16763}}^1$

素因数の和:16900

約数の個数: 16

約数和(自身を含む): 398312640

約数和(自身を除く): 77552635

約数列:

[1, 5, 43, 89, 215, 445, 3827, 16763, 19135, 83815, 720809, 1491907, 3604045, 7459535, 64152001, 320760005]

約数ペア:

[(1, 320760005), (5, 64152001), (43, 7459535), (89, 3604045), (215, 1491907), (445, 720809), (3827, 83815), (16763, 19135)]