3640990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4091}}^1$

素因数の和:4187

約数の個数: 16

約数和(自身を含む): 6629040

約数和(自身を除く): 2988050

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 4091, 8182, 20455, 40910, 364099, 728198, 1820495, 3640990]

約数ペア:

[(1, 3640990), (2, 1820495), (5, 728198), (10, 364099), (89, 40910), (178, 20455), (445, 8182), (890, 4091)]