205080965

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 270950400

約数和(自身を除く): 65869435

約数列:

[1, 5, 19, 31, 83, 95, 155, 415, 589, 839, 1577, 2573, 2945, 4195, 7885, 12865, 15941, 26009, 48887, 69637, 79705, 130045, 244435, 348185, 494171, 1323103, 2158747, 2470855, 6615515, 10793735, 41016193, 205080965]

約数ペア:

[(1, 205080965), (5, 41016193), (19, 10793735), (31, 6615515), (83, 2470855), (95, 2158747), (155, 1323103), (415, 494171), (589, 348185), (839, 244435), (1577, 130045), (2573, 79705), (2945, 69637), (4195, 48887), (7885, 26009), (12865, 15941)]