3942025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 5292320

約数和(自身を除く): 1350295

約数列:

[1, 5, 19, 25, 43, 95, 193, 215, 475, 817, 965, 1075, 3667, 4085, 4825, 8299, 18335, 20425, 41495, 91675, 157681, 207475, 788405, 3942025]

約数ペア:

[(1, 3942025), (5, 788405), (19, 207475), (25, 157681), (43, 91675), (95, 41495), (193, 20425), (215, 18335), (475, 8299), (817, 4825), (965, 4085), (1075, 3667)]