2019407575

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{5657}}^1$

素因数の和:5907

約数の個数: 24

約数和(自身を含む): 2546778960

約数和(自身を除く): 527371385

約数列:

[1, 5, 25, 109, 131, 545, 655, 2725, 3275, 5657, 14279, 28285, 71395, 141425, 356975, 616613, 741067, 3083065, 3705335, 15415325, 18526675, 80776303, 403881515, 2019407575]

約数ペア:

[(1, 2019407575), (5, 403881515), (25, 80776303), (109, 18526675), (131, 15415325), (545, 3705335), (655, 3083065), (2725, 741067), (3275, 616613), (5657, 356975), (14279, 141425), (28285, 71395)]