12477980

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3167}}^1$

素因数の和:3373

約数の個数: 24

約数和(自身を含む): 26345088

約数和(自身を除く): 13867108

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3167, 3940, 6334, 12668, 15835, 31670, 63340, 623899, 1247798, 2495596, 3119495, 6238990, 12477980]

約数ペア:

[(1, 12477980), (2, 6238990), (4, 3119495), (5, 2495596), (10, 1247798), (20, 623899), (197, 63340), (394, 31670), (788, 15835), (985, 12668), (1970, 6334), (3167, 3940)]