71790025

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 91209440

約数和(自身を除く): 19419415

約数列:

[1, 5, 25, 73, 139, 283, 365, 695, 1415, 1825, 3475, 7075, 10147, 20659, 39337, 50735, 103295, 196685, 253675, 516475, 983425, 2871601, 14358005, 71790025]

約数ペア:

[(1, 71790025), (5, 14358005), (25, 2871601), (73, 983425), (139, 516475), (283, 253675), (365, 196685), (695, 103295), (1415, 50735), (1825, 39337), (3475, 20659), (7075, 10147)]