10282051280

素因数分解:

$2^4\times 5^1\times {\mathrm{128525641}}^1$

素因数の和:128525654

約数の個数: 20

約数和(自身を含む): 23905769412

約数和(自身を除く): 13623718132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 128525641, 257051282, 514102564, 642628205, 1028205128, 1285256410, 2056410256, 2570512820, 5141025640, 10282051280]

約数ペア:

[(1, 10282051280), (2, 5141025640), (4, 2570512820), (5, 2056410256), (8, 1285256410), (10, 1028205128), (16, 642628205), (20, 514102564), (40, 257051282), (80, 128525641)]