125481520

素因数分解:

$2^4\times 5^1\times {\mathrm{1568519}}^1$

素因数の和:1568532

約数の個数: 20

約数和(自身を含む): 291744720

約数和(自身を除く): 166263200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1568519, 3137038, 6274076, 7842595, 12548152, 15685190, 25096304, 31370380, 62740760, 125481520]

約数ペア:

[(1, 125481520), (2, 62740760), (4, 31370380), (5, 25096304), (8, 15685190), (10, 12548152), (16, 7842595), (20, 6274076), (40, 3137038), (80, 1568519)]