39811475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2039}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 54639360

約数和(自身を除く): 14827885

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 1775, 2039, 3905, 10195, 19525, 22429, 50975, 112145, 144769, 560725, 723845, 1592459, 3619225, 7962295, 39811475]

約数ペア:

[(1, 39811475), (5, 7962295), (11, 3619225), (25, 1592459), (55, 723845), (71, 560725), (275, 144769), (355, 112145), (781, 50975), (1775, 22429), (2039, 19525), (3905, 10195)]