80454320

素因数分解:

$2^4\times 5^1\times {\mathrm{1005679}}^1$

素因数の和:1005692

約数の個数: 20

約数和(自身を含む): 187056480

約数和(自身を除く): 106602160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1005679, 2011358, 4022716, 5028395, 8045432, 10056790, 16090864, 20113580, 40227160, 80454320]

約数ペア:

[(1, 80454320), (2, 40227160), (4, 20113580), (5, 16090864), (8, 10056790), (10, 8045432), (16, 5028395), (20, 4022716), (40, 2011358), (80, 1005679)]