16985080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{60661}}^1$

素因数の和:60679

約数の個数: 32

約数和(自身を含む): 43676640

約数和(自身を除く): 26691560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 60661, 121322, 242644, 303305, 424627, 485288, 606610, 849254, 1213220, 1698508, 2123135, 2426440, 3397016, 4246270, 8492540, 16985080]

約数ペア:

[(1, 16985080), (2, 8492540), (4, 4246270), (5, 3397016), (7, 2426440), (8, 2123135), (10, 1698508), (14, 1213220), (20, 849254), (28, 606610), (35, 485288), (40, 424627), (56, 303305), (70, 242644), (140, 121322), (280, 60661)]