8180845

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:372

約数の個数: 16

約数和(自身を含む): 10080000

約数和(自身を除く): 1899155

約数列:

[1, 5, 79, 139, 149, 395, 695, 745, 10981, 11771, 20711, 54905, 58855, 103555, 1636169, 8180845]

約数ペア:

[(1, 8180845), (5, 1636169), (79, 103555), (139, 58855), (149, 54905), (395, 20711), (695, 11771), (745, 10981)]