11981560

素因数分解:

$2^3\times 5^1\times {\mathrm{299539}}^1$

素因数の和:299550

約数の個数: 16

約数和(自身を含む): 26958600

約数和(自身を除く): 14977040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 299539, 599078, 1198156, 1497695, 2396312, 2995390, 5990780, 11981560]

約数ペア:

[(1, 11981560), (2, 5990780), (4, 2995390), (5, 2396312), (8, 1497695), (10, 1198156), (20, 599078), (40, 299539)]