67820975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 89815680

約数和(自身を除く): 21994705

約数列:

[1, 5, 19, 25, 71, 95, 355, 475, 1349, 1775, 2011, 6745, 10055, 33725, 38209, 50275, 142781, 191045, 713905, 955225, 2712839, 3569525, 13564195, 67820975]

約数ペア:

[(1, 67820975), (5, 13564195), (19, 3569525), (25, 2712839), (71, 955225), (95, 713905), (355, 191045), (475, 142781), (1349, 50275), (1775, 38209), (2011, 33725), (6745, 10055)]