25640004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 66407040

約数和(自身を除く): 40767036

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 169, 188, 269, 282, 338, 507, 538, 564, 611, 676, 807, 1014, 1076, 1222, 1614, 1833, 2028, 2444, 3228, 3497, 3666, 6994, 7332, 7943, 10491, 12643, 13988, 15886, 20982, 23829, 25286, 31772, 37929, 41964, 45461, 47658, 50572, 75858, 90922, 95316, 136383, 151716, 164359, 181844, 272766, 328718, 493077, 545532, 657436, 986154, 1972308, 2136667, 4273334, 6410001, 8546668, 12820002, 25640004]

約数ペア:

[(1, 25640004), (2, 12820002), (3, 8546668), (4, 6410001), (6, 4273334), (12, 2136667), (13, 1972308), (26, 986154), (39, 657436), (47, 545532), (52, 493077), (78, 328718), (94, 272766), (141, 181844), (156, 164359), (169, 151716), (188, 136383), (269, 95316), (282, 90922), (338, 75858), (507, 50572), (538, 47658), (564, 45461), (611, 41964), (676, 37929), (807, 31772), (1014, 25286), (1076, 23829), (1222, 20982), (1614, 15886), (1833, 13988), (2028, 12643), (2444, 10491), (3228, 7943), (3497, 7332), (3666, 6994)]