11987940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199799}}^1$

素因数の和:199811

約数の個数: 24

約数和(自身を含む): 33566400

約数和(自身を除く): 21578460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199799, 399598, 599397, 799196, 998995, 1198794, 1997990, 2397588, 2996985, 3995980, 5993970, 11987940]

約数ペア:

[(1, 11987940), (2, 5993970), (3, 3995980), (4, 2996985), (5, 2397588), (6, 1997990), (10, 1198794), (12, 998995), (15, 799196), (20, 599397), (30, 399598), (60, 199799)]