11980720

素因数分解:

$2^4\times 5^1\times {\mathrm{149759}}^1$

素因数の和:149772

約数の個数: 20

約数和(自身を含む): 27855360

約数和(自身を除く): 15874640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149759, 299518, 599036, 748795, 1198072, 1497590, 2396144, 2995180, 5990360, 11980720]

約数ペア:

[(1, 11980720), (2, 5990360), (4, 2995180), (5, 2396144), (8, 1497590), (10, 1198072), (16, 748795), (20, 599036), (40, 299518), (80, 149759)]