80249825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3929}}^1$

素因数の和:4001

約数の個数: 24

約数和(自身を含む): 107210400

約数和(自身を除く): 26960575

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 3929, 4085, 19645, 20425, 74651, 98225, 168947, 373255, 844735, 1866275, 3209993, 4223675, 16049965, 80249825]

約数ペア:

[(1, 80249825), (5, 16049965), (19, 4223675), (25, 3209993), (43, 1866275), (95, 844735), (215, 373255), (475, 168947), (817, 98225), (1075, 74651), (3929, 20425), (4085, 19645)]