205122380

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{27061}}^1$

素因数の和:27449

約数の個数: 24

約数和(自身を含む): 431909520

約数和(自身を除く): 226787140

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 7580, 27061, 54122, 108244, 135305, 270610, 541220, 10256119, 20512238, 41024476, 51280595, 102561190, 205122380]

約数ペア:

[(1, 205122380), (2, 102561190), (4, 51280595), (5, 41024476), (10, 20512238), (20, 10256119), (379, 541220), (758, 270610), (1516, 135305), (1895, 108244), (3790, 54122), (7580, 27061)]