208079102320

素因数分解:

$2^4\times 5^1\times {\mathrm{2600988779}}^1$

素因数の和:2600988792

約数の個数: 20

約数和(自身を含む): 483783913080

約数和(自身を除く): 275704810760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2600988779, 5201977558, 10403955116, 13004943895, 20807910232, 26009887790, 41615820464, 52019775580, 104039551160, 208079102320]

約数ペア:

[(1, 208079102320), (2, 104039551160), (4, 52019775580), (5, 41615820464), (8, 26009887790), (10, 20807910232), (16, 13004943895), (20, 10403955116), (40, 5201977558), (80, 2600988779)]