42629780

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10711}}^1$

素因数の和:10919

約数の個数: 24

約数和(自身を含む): 89980800

約数和(自身を除く): 47351020

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 10711, 21422, 42844, 53555, 107110, 214220, 2131489, 4262978, 8525956, 10657445, 21314890, 42629780]

約数ペア:

[(1, 42629780), (2, 21314890), (4, 10657445), (5, 8525956), (10, 4262978), (20, 2131489), (199, 214220), (398, 107110), (796, 53555), (995, 42844), (1990, 21422), (3980, 10711)]