12630880

素因数分解:

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

素因数の和:991

約数の個数: 48

約数和(自身を含む): 30209760

約数和(自身を除く): 17578880

約数列:

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

約数ペア:

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