57210020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{408643}}^1$

素因数の和:408659

約数の個数: 24

約数和(自身を含む): 137304384

約数和(自身を除く): 80094364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 408643, 817286, 1634572, 2043215, 2860501, 4086430, 5721002, 8172860, 11442004, 14302505, 28605010, 57210020]

約数ペア:

[(1, 57210020), (2, 28605010), (4, 14302505), (5, 11442004), (7, 8172860), (10, 5721002), (14, 4086430), (20, 2860501), (28, 2043215), (35, 1634572), (70, 817286), (140, 408643)]