2019467920

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{126851}}^1$

素因数の和:127063

約数の個数: 40

約数和(自身を含む): 4718894400

約数和(自身を除く): 2699426480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 126851, 253702, 507404, 634255, 1014808, 1268510, 2029616, 2537020, 5074040, 10148080, 25243349, 50486698, 100973396, 126216745, 201946792, 252433490, 403893584, 504866980, 1009733960, 2019467920]

約数ペア:

[(1, 2019467920), (2, 1009733960), (4, 504866980), (5, 403893584), (8, 252433490), (10, 201946792), (16, 126216745), (20, 100973396), (40, 50486698), (80, 25243349), (199, 10148080), (398, 5074040), (796, 2537020), (995, 2029616), (1592, 1268510), (1990, 1014808), (3184, 634255), (3980, 507404), (7960, 253702), (15920, 126851)]