56405375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 76771968

約数和(自身を除く): 20366593

約数列:

[1, 5, 13, 25, 65, 103, 125, 325, 337, 515, 1339, 1625, 1685, 2575, 4381, 6695, 8425, 12875, 21905, 33475, 34711, 42125, 109525, 167375, 173555, 451243, 547625, 867775, 2256215, 4338875, 11281075, 56405375]

約数ペア:

[(1, 56405375), (5, 11281075), (13, 4338875), (25, 2256215), (65, 867775), (103, 547625), (125, 451243), (325, 173555), (337, 167375), (515, 109525), (1339, 42125), (1625, 34711), (1685, 33475), (2575, 21905), (4381, 12875), (6695, 8425)]