82128925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4021}}^1$

素因数の和:4093

約数の個数: 24

約数和(自身を含む): 109720160

約数和(自身を除く): 27591235

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 4021, 4085, 20105, 20425, 76399, 100525, 172903, 381995, 864515, 1909975, 3285157, 4322575, 16425785, 82128925]

約数ペア:

[(1, 82128925), (5, 16425785), (19, 4322575), (25, 3285157), (43, 1909975), (95, 864515), (215, 381995), (475, 172903), (817, 100525), (1075, 76399), (4021, 20425), (4085, 20105)]