11981540

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3041}}^1$

素因数の和:3247

約数の個数: 24

約数和(自身を含む): 25297272

約数和(自身を除く): 13315732

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3041, 3940, 6082, 12164, 15205, 30410, 60820, 599077, 1198154, 2396308, 2995385, 5990770, 11981540]

約数ペア:

[(1, 11981540), (2, 5990770), (4, 2995385), (5, 2396308), (10, 1198154), (20, 599077), (197, 60820), (394, 30410), (788, 15205), (985, 12164), (1970, 6082), (3041, 3940)]