85865080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{306661}}^1$

素因数の和:306679

約数の個数: 32

約数和(自身を含む): 220796640

約数和(自身を除く): 134931560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 306661, 613322, 1226644, 1533305, 2146627, 2453288, 3066610, 4293254, 6133220, 8586508, 10733135, 12266440, 17173016, 21466270, 42932540, 85865080]

約数ペア:

[(1, 85865080), (2, 42932540), (4, 21466270), (5, 17173016), (7, 12266440), (8, 10733135), (10, 8586508), (14, 6133220), (20, 4293254), (28, 3066610), (35, 2453288), (40, 2146627), (56, 1533305), (70, 1226644), (140, 613322), (280, 306661)]