2040020975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{6577}}^1$

素因数の和:7259

約数の個数: 24

約数和(自身を含む): 2667247440

約数和(自身を除く): 627226465

約数列:

[1, 5, 19, 25, 95, 475, 653, 3265, 6577, 12407, 16325, 32885, 62035, 124963, 164425, 310175, 624815, 3124075, 4294781, 21473905, 81600839, 107369525, 408004195, 2040020975]

約数ペア:

[(1, 2040020975), (5, 408004195), (19, 107369525), (25, 81600839), (95, 21473905), (475, 4294781), (653, 3124075), (3265, 624815), (6577, 310175), (12407, 164425), (16325, 124963), (32885, 62035)]