54561820

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{13709}}^1$

素因数の和:13917

約数の個数: 24

約数和(自身を含む): 115164000

約数和(自身を除く): 60602180

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 13709, 27418, 54836, 68545, 137090, 274180, 2728091, 5456182, 10912364, 13640455, 27280910, 54561820]

約数ペア:

[(1, 54561820), (2, 27280910), (4, 13640455), (5, 10912364), (10, 5456182), (20, 2728091), (199, 274180), (398, 137090), (796, 68545), (995, 54836), (1990, 27418), (3980, 13709)]