1388800960

素因数分解:

$2^6\times 5^1\times {\mathrm{4340003}}^1$

素因数の和:4340020

約数の個数: 28

約数和(自身を含む): 3307083048

約数和(自身を除く): 1918282088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4340003, 8680006, 17360012, 21700015, 34720024, 43400030, 69440048, 86800060, 138880096, 173600120, 277760192, 347200240, 694400480, 1388800960]

約数ペア:

[(1, 1388800960), (2, 694400480), (4, 347200240), (5, 277760192), (8, 173600120), (10, 138880096), (16, 86800060), (20, 69440048), (32, 43400030), (40, 34720024), (64, 21700015), (80, 17360012), (160, 8680006), (320, 4340003)]