85758320

素因数分解:

$2^4\times 5^1\times {\mathrm{1071979}}^1$

素因数の和:1071992

約数の個数: 20

約数和(自身を含む): 199388280

約数和(自身を除く): 113629960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1071979, 2143958, 4287916, 5359895, 8575832, 10719790, 17151664, 21439580, 42879160, 85758320]

約数ペア:

[(1, 85758320), (2, 42879160), (4, 21439580), (5, 17151664), (8, 10719790), (10, 8575832), (16, 5359895), (20, 4287916), (40, 2143958), (80, 1071979)]