80931670

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{18269}}^1$

素因数の和:18719

約数の個数: 16

約数和(自身を含む): 146013840

約数和(自身を除く): 65082170

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 18269, 36538, 91345, 182690, 8093167, 16186334, 40465835, 80931670]

約数ペア:

[(1, 80931670), (2, 40465835), (5, 16186334), (10, 8093167), (443, 182690), (886, 91345), (2215, 36538), (4430, 18269)]