51487940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{367771}}^1$

素因数の和:367787

約数の個数: 24

約数和(自身を含む): 123571392

約数和(自身を除く): 72083452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 367771, 735542, 1471084, 1838855, 2574397, 3677710, 5148794, 7355420, 10297588, 12871985, 25743970, 51487940]

約数ペア:

[(1, 51487940), (2, 25743970), (4, 12871985), (5, 10297588), (7, 7355420), (10, 5148794), (14, 3677710), (20, 2574397), (28, 1838855), (35, 1471084), (70, 735542), (140, 367771)]