163986140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{75223}}^1$

素因数の和:75341

約数の個数: 24

約数和(自身を含む): 347534880

約数和(自身を除く): 183548740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 75223, 150446, 300892, 376115, 752230, 1504460, 8199307, 16398614, 32797228, 40996535, 81993070, 163986140]

約数ペア:

[(1, 163986140), (2, 81993070), (4, 40996535), (5, 32797228), (10, 16398614), (20, 8199307), (109, 1504460), (218, 752230), (436, 376115), (545, 300892), (1090, 150446), (2180, 75223)]