64701025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 82876640

約数和(自身を除く): 18175615

約数列:

[1, 5, 25, 43, 139, 215, 433, 695, 1075, 2165, 3475, 5977, 10825, 18619, 29885, 60187, 93095, 149425, 300935, 465475, 1504675, 2588041, 12940205, 64701025]

約数ペア:

[(1, 64701025), (5, 12940205), (25, 2588041), (43, 1504675), (139, 465475), (215, 300935), (433, 149425), (695, 93095), (1075, 60187), (2165, 29885), (3475, 18619), (5977, 10825)]