655218714160

素因数分解:

$2^4\times 5^1\times {\mathrm{8190233927}}^1$

素因数の和:8190233940

約数の個数: 20

約数和(自身を含む): 1523383510608

約数和(自身を除く): 868164796448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8190233927, 16380467854, 32760935708, 40951169635, 65521871416, 81902339270, 131043742832, 163804678540, 327609357080, 655218714160]

約数ペア:

[(1, 655218714160), (2, 327609357080), (4, 163804678540), (5, 131043742832), (8, 81902339270), (10, 65521871416), (16, 40951169635), (20, 32760935708), (40, 16380467854), (80, 8190233927)]