53780020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{384143}}^1$

素因数の和:384159

約数の個数: 24

約数和(自身を含む): 129072384

約数和(自身を除く): 75292364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 384143, 768286, 1536572, 1920715, 2689001, 3841430, 5378002, 7682860, 10756004, 13445005, 26890010, 53780020]

約数ペア:

[(1, 53780020), (2, 26890010), (4, 13445005), (5, 10756004), (7, 7682860), (10, 5378002), (14, 3841430), (20, 2689001), (28, 1920715), (35, 1536572), (70, 768286), (140, 384143)]