25261760

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:993

約数の個数: 56

約数和(自身を含む): 60899040

約数和(自身を除く): 35637280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 887, 890, 1424, 1774, 1780, 2848, 3548, 3560, 4435, 5696, 7096, 7120, 8870, 14192, 14240, 17740, 28384, 28480, 35480, 56768, 70960, 78943, 141920, 157886, 283840, 315772, 394715, 631544, 789430, 1263088, 1578860, 2526176, 3157720, 5052352, 6315440, 12630880, 25261760]

約数ペア:

[(1, 25261760), (2, 12630880), (4, 6315440), (5, 5052352), (8, 3157720), (10, 2526176), (16, 1578860), (20, 1263088), (32, 789430), (40, 631544), (64, 394715), (80, 315772), (89, 283840), (160, 157886), (178, 141920), (320, 78943), (356, 70960), (445, 56768), (712, 35480), (887, 28480), (890, 28384), (1424, 17740), (1774, 14240), (1780, 14192), (2848, 8870), (3548, 7120), (3560, 7096), (4435, 5696)]