27958240

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{887}}^1$

素因数の和:1099

約数の個数: 48

約数和(自身を含む): 66461472

約数和(自身を除く): 38503232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 887, 985, 1576, 1774, 1970, 3152, 3548, 3940, 4435, 6304, 7096, 7880, 8870, 14192, 15760, 17740, 28384, 31520, 35480, 70960, 141920, 174739, 349478, 698956, 873695, 1397912, 1747390, 2795824, 3494780, 5591648, 6989560, 13979120, 27958240]

約数ペア:

[(1, 27958240), (2, 13979120), (4, 6989560), (5, 5591648), (8, 3494780), (10, 2795824), (16, 1747390), (20, 1397912), (32, 873695), (40, 698956), (80, 349478), (160, 174739), (197, 141920), (394, 70960), (788, 35480), (887, 31520), (985, 28384), (1576, 17740), (1774, 15760), (1970, 14192), (3152, 8870), (3548, 7880), (3940, 7096), (4435, 6304)]