7994320

素因数分解:

$2^4\times 5^1\times {\mathrm{99929}}^1$

素因数の和:99942

約数の個数: 20

約数和(自身を含む): 18586980

約数和(自身を除く): 10592660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 99929, 199858, 399716, 499645, 799432, 999290, 1598864, 1998580, 3997160, 7994320]

約数ペア:

[(1, 7994320), (2, 3997160), (4, 1998580), (5, 1598864), (8, 999290), (10, 799432), (16, 499645), (20, 399716), (40, 199858), (80, 99929)]