56090020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{400643}}^1$

素因数の和:400659

約数の個数: 24

約数和(自身を含む): 134616384

約数和(自身を除く): 78526364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 400643, 801286, 1602572, 2003215, 2804501, 4006430, 5609002, 8012860, 11218004, 14022505, 28045010, 56090020]

約数ペア:

[(1, 56090020), (2, 28045010), (4, 14022505), (5, 11218004), (7, 8012860), (10, 5609002), (14, 4006430), (20, 2804501), (28, 2003215), (35, 1602572), (70, 801286), (140, 400643)]