137742320

素因数分解:

$2^4\times 5^1\times {\mathrm{1721779}}^1$

素因数の和:1721792

約数の個数: 20

約数和(自身を含む): 320251080

約数和(自身を除く): 182508760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1721779, 3443558, 6887116, 8608895, 13774232, 17217790, 27548464, 34435580, 68871160, 137742320]

約数ペア:

[(1, 137742320), (2, 68871160), (4, 34435580), (5, 27548464), (8, 17217790), (10, 13774232), (16, 8608895), (20, 6887116), (40, 3443558), (80, 1721779)]