66247025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1979}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 89369280

約数和(自身を除く): 23122255

約数列:

[1, 5, 13, 25, 65, 103, 325, 515, 1339, 1979, 2575, 6695, 9895, 25727, 33475, 49475, 128635, 203837, 643175, 1019185, 2649881, 5095925, 13249405, 66247025]

約数ペア:

[(1, 66247025), (5, 13249405), (13, 5095925), (25, 2649881), (65, 1019185), (103, 643175), (325, 203837), (515, 128635), (1339, 49475), (1979, 33475), (2575, 25727), (6695, 9895)]