31225525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 40941824

約数和(自身を除く): 9716299

約数列:

[1, 5, 25, 31, 43, 155, 215, 775, 937, 1075, 1333, 4685, 6665, 23425, 29047, 33325, 40291, 145235, 201455, 726175, 1007275, 1249021, 6245105, 31225525]

約数ペア:

[(1, 31225525), (5, 6245105), (25, 1249021), (31, 1007275), (43, 726175), (155, 201455), (215, 145235), (775, 40291), (937, 33325), (1075, 29047), (1333, 23425), (4685, 6665)]