139760240

素因数分解:

$2^4\times 5^1\times {\mathrm{1747003}}^1$

素因数の和:1747016

約数の個数: 20

約数和(自身を含む): 324942744

約数和(自身を除く): 185182504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1747003, 3494006, 6988012, 8735015, 13976024, 17470030, 27952048, 34940060, 69880120, 139760240]

約数ペア:

[(1, 139760240), (2, 69880120), (4, 34940060), (5, 27952048), (8, 17470030), (10, 13976024), (16, 8735015), (20, 6988012), (40, 3494006), (80, 1747003)]