8340680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1913}}^1$

素因数の和:2033

約数の個数: 32

約数和(自身を含む): 18948600

約数和(自身を除く): 10607920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1913, 2180, 3826, 4360, 7652, 9565, 15304, 19130, 38260, 76520, 208517, 417034, 834068, 1042585, 1668136, 2085170, 4170340, 8340680]

約数ペア:

[(1, 8340680), (2, 4170340), (4, 2085170), (5, 1668136), (8, 1042585), (10, 834068), (20, 417034), (40, 208517), (109, 76520), (218, 38260), (436, 19130), (545, 15304), (872, 9565), (1090, 7652), (1913, 4360), (2180, 3826)]