81179140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{579851}}^1$

素因数の和:579867

約数の個数: 24

約数和(自身を含む): 194830272

約数和(自身を除く): 113651132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 579851, 1159702, 2319404, 2899255, 4058957, 5798510, 8117914, 11597020, 16235828, 20294785, 40589570, 81179140]

約数ペア:

[(1, 81179140), (2, 40589570), (4, 20294785), (5, 16235828), (7, 11597020), (10, 8117914), (14, 5798510), (20, 4058957), (28, 2899255), (35, 2319404), (70, 1159702), (140, 579851)]