68380525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{401}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 89726400

約数和(自身を除く): 21345875

約数列:

[1, 5, 19, 25, 95, 359, 401, 475, 1795, 2005, 6821, 7619, 8975, 10025, 34105, 38095, 143959, 170525, 190475, 719795, 2735221, 3598975, 13676105, 68380525]

約数ペア:

[(1, 68380525), (5, 13676105), (19, 3598975), (25, 2735221), (95, 719795), (359, 190475), (401, 170525), (475, 143959), (1795, 38095), (2005, 34105), (6821, 10025), (7619, 8975)]