57870025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 74995200

約数和(自身を除く): 17125175

約数列:

[1, 5, 25, 31, 89, 155, 445, 775, 839, 2225, 2759, 4195, 13795, 20975, 26009, 68975, 74671, 130045, 373355, 650225, 1866775, 2314801, 11574005, 57870025]

約数ペア:

[(1, 57870025), (5, 11574005), (25, 2314801), (31, 1866775), (89, 650225), (155, 373355), (445, 130045), (775, 74671), (839, 68975), (2225, 26009), (2759, 20975), (4195, 13795)]