80665585

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 132378624

約数和(自身を除く): 51713039

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 71, 77, 91, 143, 227, 355, 385, 455, 497, 715, 781, 923, 1001, 1135, 1589, 2485, 2497, 2951, 3905, 4615, 5005, 5467, 6461, 7945, 10153, 12485, 14755, 16117, 17479, 20657, 27335, 32305, 32461, 50765, 71071, 80585, 87395, 103285, 112819, 162305, 177287, 209521, 227227, 355355, 564095, 886435, 1047605, 1136135, 1241009, 1466647, 2304731, 6205045, 7333235, 11523655, 16133117, 80665585]

約数ペア:

[(1, 80665585), (5, 16133117), (7, 11523655), (11, 7333235), (13, 6205045), (35, 2304731), (55, 1466647), (65, 1241009), (71, 1136135), (77, 1047605), (91, 886435), (143, 564095), (227, 355355), (355, 227227), (385, 209521), (455, 177287), (497, 162305), (715, 112819), (781, 103285), (923, 87395), (1001, 80585), (1135, 71071), (1589, 50765), (2485, 32461), (2497, 32305), (2951, 27335), (3905, 20657), (4615, 17479), (5005, 16117), (5467, 14755), (6461, 12485), (7945, 10153)]