25706225

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 32884800

約数和(自身を除く): 7178575

約数列:

[1, 5, 25, 67, 103, 149, 335, 515, 745, 1675, 2575, 3725, 6901, 9983, 15347, 34505, 49915, 76735, 172525, 249575, 383675, 1028249, 5141245, 25706225]

約数ペア:

[(1, 25706225), (5, 5141245), (25, 1028249), (67, 383675), (103, 249575), (149, 172525), (335, 76735), (515, 49915), (745, 34505), (1675, 15347), (2575, 9983), (3725, 6901)]