68712880

素因数分解:

$2^4\times 5^1\times {\mathrm{858911}}^1$

素因数の和:858924

約数の個数: 20

約数和(自身を含む): 159757632

約数和(自身を除く): 91044752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 858911, 1717822, 3435644, 4294555, 6871288, 8589110, 13742576, 17178220, 34356440, 68712880]

約数ペア:

[(1, 68712880), (2, 34356440), (4, 17178220), (5, 13742576), (8, 8589110), (10, 6871288), (16, 4294555), (20, 3435644), (40, 1717822), (80, 858911)]