80825080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{288661}}^1$

素因数の和:288679

約数の個数: 32

約数和(自身を含む): 207836640

約数和(自身を除く): 127011560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 288661, 577322, 1154644, 1443305, 2020627, 2309288, 2886610, 4041254, 5773220, 8082508, 10103135, 11546440, 16165016, 20206270, 40412540, 80825080]

約数ペア:

[(1, 80825080), (2, 40412540), (4, 20206270), (5, 16165016), (7, 11546440), (8, 10103135), (10, 8082508), (14, 5773220), (20, 4041254), (28, 2886610), (35, 2309288), (40, 2020627), (56, 1443305), (70, 1154644), (140, 577322), (280, 288661)]