81666325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4259}}^1$

素因数の和:4341

約数の個数: 24

約数和(自身を含む): 110930400

約数和(自身を除く): 29264075

約数列:

[1, 5, 13, 25, 59, 65, 295, 325, 767, 1475, 3835, 4259, 19175, 21295, 55367, 106475, 251281, 276835, 1256405, 1384175, 3266653, 6282025, 16333265, 81666325]

約数ペア:

[(1, 81666325), (5, 16333265), (13, 6282025), (25, 3266653), (59, 1384175), (65, 1256405), (295, 276835), (325, 251281), (767, 106475), (1475, 55367), (3835, 21295), (4259, 19175)]