27771020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12739}}^1$

素因数の和:12857

約数の個数: 24

約数和(自身を含む): 58858800

約数和(自身を除く): 31087780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 12739, 25478, 50956, 63695, 127390, 254780, 1388551, 2777102, 5554204, 6942755, 13885510, 27771020]

約数ペア:

[(1, 27771020), (2, 13885510), (4, 6942755), (5, 5554204), (10, 2777102), (20, 1388551), (109, 254780), (218, 127390), (436, 63695), (545, 50956), (1090, 25478), (2180, 12739)]