11980840

素因数分解:

$2^3\times 5^1\times {\mathrm{299521}}^1$

素因数の和:299532

約数の個数: 16

約数和(自身を含む): 26956980

約数和(自身を除く): 14976140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 299521, 599042, 1198084, 1497605, 2396168, 2995210, 5990420, 11980840]

約数ペア:

[(1, 11980840), (2, 5990420), (4, 2995210), (5, 2396168), (8, 1497605), (10, 1198084), (20, 599042), (40, 299521)]