5490640

素因数分解:

$2^4\times 5^1\times {\mathrm{68633}}^1$

素因数の和:68646

約数の個数: 20

約数和(自身を含む): 12765924

約数和(自身を除く): 7275284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 68633, 137266, 274532, 343165, 549064, 686330, 1098128, 1372660, 2745320, 5490640]

約数ペア:

[(1, 5490640), (2, 2745320), (4, 1372660), (5, 1098128), (8, 686330), (10, 549064), (16, 343165), (20, 274532), (40, 137266), (80, 68633)]