27881380

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{20807}}^1$

素因数の和:20883

約数の個数: 24

約数和(自身を含む): 59427648

約数和(自身を除く): 31546268

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 20807, 41614, 83228, 104035, 208070, 416140, 1394069, 2788138, 5576276, 6970345, 13940690, 27881380]

約数ペア:

[(1, 27881380), (2, 13940690), (4, 6970345), (5, 5576276), (10, 2788138), (20, 1394069), (67, 416140), (134, 208070), (268, 104035), (335, 83228), (670, 41614), (1340, 20807)]