13420825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1319}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 18659520

約数和(自身を除く): 5238695

約数列:

[1, 5, 11, 25, 37, 55, 185, 275, 407, 925, 1319, 2035, 6595, 10175, 14509, 32975, 48803, 72545, 244015, 362725, 536833, 1220075, 2684165, 13420825]

約数ペア:

[(1, 13420825), (5, 2684165), (11, 1220075), (25, 536833), (37, 362725), (55, 244015), (185, 72545), (275, 48803), (407, 32975), (925, 14509), (1319, 10175), (2035, 6595)]