80880740

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{68543}}^1$

素因数の和:68611

約数の個数: 24

約数和(自身を含む): 172730880

約数和(自身を除く): 91850140

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 68543, 137086, 274172, 342715, 685430, 1370860, 4044037, 8088074, 16176148, 20220185, 40440370, 80880740]

約数ペア:

[(1, 80880740), (2, 40440370), (4, 20220185), (5, 16176148), (10, 8088074), (20, 4044037), (59, 1370860), (118, 685430), (236, 342715), (295, 274172), (590, 137086), (1180, 68543)]