80842064

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{117503}}^1$

素因数の和:117554

約数の個数: 20

約数和(自身を含む): 160275456

約数和(自身を除く): 79433392

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 117503, 235006, 470012, 940024, 1880048, 5052629, 10105258, 20210516, 40421032, 80842064]

約数ペア:

[(1, 80842064), (2, 40421032), (4, 20210516), (8, 10105258), (16, 5052629), (43, 1880048), (86, 940024), (172, 470012), (344, 235006), (688, 117503)]