8142305

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 10188288

約数和(自身を除く): 2045983

約数列:

[1, 5, 31, 131, 155, 401, 655, 2005, 4061, 12431, 20305, 52531, 62155, 262655, 1628461, 8142305]

約数ペア:

[(1, 8142305), (5, 1628461), (31, 262655), (131, 62155), (155, 52531), (401, 20305), (655, 12431), (2005, 4061)]