5481680

素因数分解:

$2^4\times 5^1\times {\mathrm{68521}}^1$

素因数の和:68534

約数の個数: 20

約数和(自身を含む): 12745092

約数和(自身を除く): 7263412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 68521, 137042, 274084, 342605, 548168, 685210, 1096336, 1370420, 2740840, 5481680]

約数ペア:

[(1, 5481680), (2, 2740840), (4, 1370420), (5, 1096336), (8, 685210), (10, 548168), (16, 342605), (20, 274084), (40, 137042), (80, 68521)]