26493220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 65479680

約数和(自身を除く): 38986460

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 173, 190, 247, 260, 310, 346, 380, 403, 494, 589, 620, 692, 806, 865, 988, 1178, 1235, 1612, 1730, 2015, 2249, 2356, 2470, 2945, 3287, 3460, 4030, 4498, 4940, 5363, 5890, 6574, 7657, 8060, 8996, 10726, 11245, 11780, 13148, 15314, 16435, 21452, 22490, 26815, 30628, 32870, 38285, 42731, 44980, 53630, 65740, 69719, 76570, 85462, 101897, 107260, 139438, 153140, 170924, 203794, 213655, 278876, 348595, 407588, 427310, 509485, 697190, 854620, 1018970, 1324661, 1394380, 2037940, 2649322, 5298644, 6623305, 13246610, 26493220]

約数ペア:

[(1, 26493220), (2, 13246610), (4, 6623305), (5, 5298644), (10, 2649322), (13, 2037940), (19, 1394380), (20, 1324661), (26, 1018970), (31, 854620), (38, 697190), (52, 509485), (62, 427310), (65, 407588), (76, 348595), (95, 278876), (124, 213655), (130, 203794), (155, 170924), (173, 153140), (190, 139438), (247, 107260), (260, 101897), (310, 85462), (346, 76570), (380, 69719), (403, 65740), (494, 53630), (589, 44980), (620, 42731), (692, 38285), (806, 32870), (865, 30628), (988, 26815), (1178, 22490), (1235, 21452), (1612, 16435), (1730, 15314), (2015, 13148), (2249, 11780), (2356, 11245), (2470, 10726), (2945, 8996), (3287, 8060), (3460, 7657), (4030, 6574), (4498, 5890), (4940, 5363)]