1280020175

素因数分解:

$5^2\times 7^1\times {\mathrm{7314401}}^1$

素因数の和:7314418

約数の個数: 12

約数和(自身を含む): 1813971696

約数和(自身を除く): 533951521

約数列:

[1, 5, 7, 25, 35, 175, 7314401, 36572005, 51200807, 182860025, 256004035, 1280020175]

約数ペア:

[(1, 1280020175), (5, 256004035), (7, 182860025), (25, 51200807), (35, 36572005), (175, 7314401)]