39890975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{613}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 52533840

約数和(自身を除く): 12642865

約数列:

[1, 5, 19, 25, 95, 137, 475, 613, 685, 2603, 3065, 3425, 11647, 13015, 15325, 58235, 65075, 83981, 291175, 419905, 1595639, 2099525, 7978195, 39890975]

約数ペア:

[(1, 39890975), (5, 7978195), (19, 2099525), (25, 1595639), (95, 419905), (137, 291175), (475, 83981), (613, 65075), (685, 58235), (2603, 15325), (3065, 13015), (3425, 11647)]