5138180

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1291}}^1$

素因数の和:1499

約数の個数: 24

約数和(自身を含む): 10852800

約数和(自身を除く): 5714620

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1291, 1990, 2582, 3980, 5164, 6455, 12910, 25820, 256909, 513818, 1027636, 1284545, 2569090, 5138180]

約数ペア:

[(1, 5138180), (2, 2569090), (4, 1284545), (5, 1027636), (10, 513818), (20, 256909), (199, 25820), (398, 12910), (796, 6455), (995, 5164), (1291, 3980), (1990, 2582)]