26940784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 62808480

約数和(自身を除く): 35867696

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 208, 221, 247, 272, 304, 323, 401, 442, 494, 646, 802, 884, 988, 1292, 1604, 1768, 1976, 2584, 3208, 3536, 3952, 4199, 5168, 5213, 6416, 6817, 7619, 8398, 10426, 13634, 15238, 16796, 20852, 27268, 30476, 33592, 41704, 54536, 60952, 67184, 83408, 88621, 99047, 109072, 121904, 129523, 177242, 198094, 259046, 354484, 396188, 518092, 708968, 792376, 1036184, 1417936, 1584752, 1683799, 2072368, 3367598, 6735196, 13470392, 26940784]

約数ペア:

[(1, 26940784), (2, 13470392), (4, 6735196), (8, 3367598), (13, 2072368), (16, 1683799), (17, 1584752), (19, 1417936), (26, 1036184), (34, 792376), (38, 708968), (52, 518092), (68, 396188), (76, 354484), (104, 259046), (136, 198094), (152, 177242), (208, 129523), (221, 121904), (247, 109072), (272, 99047), (304, 88621), (323, 83408), (401, 67184), (442, 60952), (494, 54536), (646, 41704), (802, 33592), (884, 30476), (988, 27268), (1292, 20852), (1604, 16796), (1768, 15238), (1976, 13634), (2584, 10426), (3208, 8398), (3536, 7619), (3952, 6817), (4199, 6416), (5168, 5213)]