27812240

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1747}}^1$

素因数の和:1959

約数の個数: 40

約数和(自身を含む): 65025600

約数和(自身を除く): 37213360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1747, 1990, 3184, 3494, 3980, 6988, 7960, 8735, 13976, 15920, 17470, 27952, 34940, 69880, 139760, 347653, 695306, 1390612, 1738265, 2781224, 3476530, 5562448, 6953060, 13906120, 27812240]

約数ペア:

[(1, 27812240), (2, 13906120), (4, 6953060), (5, 5562448), (8, 3476530), (10, 2781224), (16, 1738265), (20, 1390612), (40, 695306), (80, 347653), (199, 139760), (398, 69880), (796, 34940), (995, 27952), (1592, 17470), (1747, 15920), (1990, 13976), (3184, 8735), (3494, 7960), (3980, 6988)]