27666160

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1999}}^1$

素因数の和:2185

約数の個数: 40

約数和(自身を含む): 64728000

約数和(自身を除く): 37061840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 1999, 2768, 3460, 3998, 6920, 7996, 9995, 13840, 15992, 19990, 31984, 39980, 79960, 159920, 345827, 691654, 1383308, 1729135, 2766616, 3458270, 5533232, 6916540, 13833080, 27666160]

約数ペア:

[(1, 27666160), (2, 13833080), (4, 6916540), (5, 5533232), (8, 3458270), (10, 2766616), (16, 1729135), (20, 1383308), (40, 691654), (80, 345827), (173, 159920), (346, 79960), (692, 39980), (865, 31984), (1384, 19990), (1730, 15992), (1999, 13840), (2768, 9995), (3460, 7996), (3998, 6920)]