16731920

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1051}}^1$

素因数の和:1263

約数の個数: 40

約数和(自身を含む): 39134400

約数和(自身を除く): 22402480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1051, 1592, 1990, 2102, 3184, 3980, 4204, 5255, 7960, 8408, 10510, 15920, 16816, 21020, 42040, 84080, 209149, 418298, 836596, 1045745, 1673192, 2091490, 3346384, 4182980, 8365960, 16731920]

約数ペア:

[(1, 16731920), (2, 8365960), (4, 4182980), (5, 3346384), (8, 2091490), (10, 1673192), (16, 1045745), (20, 836596), (40, 418298), (80, 209149), (199, 84080), (398, 42040), (796, 21020), (995, 16816), (1051, 15920), (1592, 10510), (1990, 8408), (2102, 7960), (3184, 5255), (3980, 4204)]