5198890040

素因数分解:

$2^3\times 5^1\times {\mathrm{129972251}}^1$

素因数の和:129972262

約数の個数: 16

約数和(自身を含む): 11697502680

約数和(自身を除く): 6498612640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 129972251, 259944502, 519889004, 649861255, 1039778008, 1299722510, 2599445020, 5198890040]

約数ペア:

[(1, 5198890040), (2, 2599445020), (4, 1299722510), (5, 1039778008), (8, 649861255), (10, 519889004), (20, 259944502), (40, 129972251)]