42087025

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 53621568

約数和(自身を除く): 11534543

約数列:

[1, 5, 25, 71, 131, 181, 355, 655, 905, 1775, 3275, 4525, 9301, 12851, 23711, 46505, 64255, 118555, 232525, 321275, 592775, 1683481, 8417405, 42087025]

約数ペア:

[(1, 42087025), (5, 8417405), (25, 1683481), (71, 592775), (131, 321275), (181, 232525), (355, 118555), (655, 64255), (905, 46505), (1775, 23711), (3275, 12851), (4525, 9301)]