80866832

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{117539}}^1$

素因数の和:117590

約数の個数: 20

約数和(自身を含む): 160324560

約数和(自身を除く): 79457728

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 117539, 235078, 470156, 940312, 1880624, 5054177, 10108354, 20216708, 40433416, 80866832]

約数ペア:

[(1, 80866832), (2, 40433416), (4, 20216708), (8, 10108354), (16, 5054177), (43, 1880624), (86, 940312), (172, 470156), (344, 235078), (688, 117539)]