42649025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 55186944

約数和(自身を除く): 12537919

約数列:

[1, 5, 25, 31, 113, 155, 487, 565, 775, 2435, 2825, 3503, 12175, 15097, 17515, 55031, 75485, 87575, 275155, 377425, 1375775, 1705961, 8529805, 42649025]

約数ペア:

[(1, 42649025), (5, 8529805), (25, 1705961), (31, 1375775), (113, 377425), (155, 275155), (487, 87575), (565, 75485), (775, 55031), (2435, 17515), (2825, 15097), (3503, 12175)]