12688225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 18659520

約数和(自身を除く): 5971295

約数列:

[1, 5, 11, 25, 29, 37, 43, 55, 145, 185, 215, 275, 319, 407, 473, 725, 925, 1073, 1075, 1247, 1591, 1595, 2035, 2365, 5365, 6235, 7955, 7975, 10175, 11803, 11825, 13717, 17501, 26825, 31175, 39775, 46139, 59015, 68585, 87505, 230695, 295075, 342925, 437525, 507529, 1153475, 2537645, 12688225]

約数ペア:

[(1, 12688225), (5, 2537645), (11, 1153475), (25, 507529), (29, 437525), (37, 342925), (43, 295075), (55, 230695), (145, 87505), (185, 68585), (215, 59015), (275, 46139), (319, 39775), (407, 31175), (473, 26825), (725, 17501), (925, 13717), (1073, 11825), (1075, 11803), (1247, 10175), (1591, 7975), (1595, 7955), (2035, 6235), (2365, 5365)]