13488220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3389}}^1$

素因数の和:3597

約数の個数: 24

約数和(自身を含む): 28476000

約数和(自身を除く): 14987780

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3389, 3980, 6778, 13556, 16945, 33890, 67780, 674411, 1348822, 2697644, 3372055, 6744110, 13488220]

約数ペア:

[(1, 13488220), (2, 6744110), (4, 3372055), (5, 2697644), (10, 1348822), (20, 674411), (199, 67780), (398, 33890), (796, 16945), (995, 13556), (1990, 6778), (3389, 3980)]