25203020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14159}}^1$

素因数の和:14257

約数の個数: 24

約数和(自身を含む): 53524800

約数和(自身を除く): 28321780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 14159, 28318, 56636, 70795, 141590, 283180, 1260151, 2520302, 5040604, 6300755, 12601510, 25203020]

約数ペア:

[(1, 25203020), (2, 12601510), (4, 6300755), (5, 5040604), (10, 2520302), (20, 1260151), (89, 283180), (178, 141590), (356, 70795), (445, 56636), (890, 28318), (1780, 14159)]