39842905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 52899840

約数和(自身を除く): 13056935

約数列:

[1, 5, 19, 31, 83, 95, 155, 163, 415, 589, 815, 1577, 2573, 2945, 3097, 5053, 7885, 12865, 13529, 15485, 25265, 48887, 67645, 96007, 244435, 257051, 419399, 480035, 1285255, 2096995, 7968581, 39842905]

約数ペア:

[(1, 39842905), (5, 7968581), (19, 2096995), (31, 1285255), (83, 480035), (95, 419399), (155, 257051), (163, 244435), (415, 96007), (589, 67645), (815, 48887), (1577, 25265), (2573, 15485), (2945, 13529), (3097, 12865), (5053, 7885)]