120487280

素因数分解:

$2^4\times 5^1\times {\mathrm{1506091}}^1$

素因数の和:1506104

約数の個数: 20

約数和(自身を含む): 280133112

約数和(自身を除く): 159645832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1506091, 3012182, 6024364, 7530455, 12048728, 15060910, 24097456, 30121820, 60243640, 120487280]

約数ペア:

[(1, 120487280), (2, 60243640), (4, 30121820), (5, 24097456), (8, 15060910), (10, 12048728), (16, 7530455), (20, 6024364), (40, 3012182), (80, 1506091)]