65510225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1129}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 89116320

約数和(自身を除く): 23606095

約数列:

[1, 5, 11, 25, 55, 211, 275, 1055, 1129, 2321, 5275, 5645, 11605, 12419, 28225, 58025, 62095, 238219, 310475, 1191095, 2620409, 5955475, 13102045, 65510225]

約数ペア:

[(1, 65510225), (5, 13102045), (11, 5955475), (25, 2620409), (55, 1191095), (211, 310475), (275, 238219), (1055, 62095), (1129, 58025), (2321, 28225), (5275, 12419), (5645, 11605)]