13405240

素因数分解:

$2^3\times 5^1\times {\mathrm{335131}}^1$

素因数の和:335142

約数の個数: 16

約数和(自身を含む): 30161880

約数和(自身を除く): 16756640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 335131, 670262, 1340524, 1675655, 2681048, 3351310, 6702620, 13405240]

約数ペア:

[(1, 13405240), (2, 6702620), (4, 3351310), (5, 2681048), (8, 1675655), (10, 1340524), (20, 670262), (40, 335131)]