11980900

素因数分解:

$2^2\times 5^2\times {\mathrm{119809}}^1$

素因数の和:119823

約数の個数: 18

約数和(自身を含む): 25998770

約数和(自身を除く): 14017870

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 119809, 239618, 479236, 599045, 1198090, 2396180, 2995225, 5990450, 11980900]

約数ペア:

[(1, 11980900), (2, 5990450), (4, 2995225), (5, 2396180), (10, 1198090), (20, 599045), (25, 479236), (50, 239618), (100, 119809)]