25278670

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28403}}^1$

素因数の和:28499

約数の個数: 16

約数和(自身を含む): 46014480

約数和(自身を除く): 20735810

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 28403, 56806, 142015, 284030, 2527867, 5055734, 12639335, 25278670]

約数ペア:

[(1, 25278670), (2, 12639335), (5, 5055734), (10, 2527867), (89, 284030), (178, 142015), (445, 56806), (890, 28403)]