380528080

素因数分解:

$2^4\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{3719}}^1$

素因数の和:5011

約数の個数: 40

約数和(自身を含む): 885657600

約数和(自身を除く): 505129520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1279, 2558, 3719, 5116, 6395, 7438, 10232, 12790, 14876, 18595, 20464, 25580, 29752, 37190, 51160, 59504, 74380, 102320, 148760, 297520, 4756601, 9513202, 19026404, 23783005, 38052808, 47566010, 76105616, 95132020, 190264040, 380528080]

約数ペア:

[(1, 380528080), (2, 190264040), (4, 95132020), (5, 76105616), (8, 47566010), (10, 38052808), (16, 23783005), (20, 19026404), (40, 9513202), (80, 4756601), (1279, 297520), (2558, 148760), (3719, 102320), (5116, 74380), (6395, 59504), (7438, 51160), (10232, 37190), (12790, 29752), (14876, 25580), (18595, 20464)]