80854760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{288767}}^1$

素因数の和:288785

約数の個数: 32

約数和(自身を含む): 207912960

約数和(自身を除く): 127058200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 288767, 577534, 1155068, 1443835, 2021369, 2310136, 2887670, 4042738, 5775340, 8085476, 10106845, 11550680, 16170952, 20213690, 40427380, 80854760]

約数ペア:

[(1, 80854760), (2, 40427380), (4, 20213690), (5, 16170952), (7, 11550680), (8, 10106845), (10, 8085476), (14, 5775340), (20, 4042738), (28, 2887670), (35, 2310136), (40, 2021369), (56, 1443835), (70, 1155068), (140, 577534), (280, 288767)]