1039997920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:313

約数の個数: 144

約数和(自身を含む): 2753025408

約数和(自身を除く): 1713027488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 127, 130, 155, 160, 208, 248, 254, 260, 310, 403, 416, 496, 508, 520, 620, 635, 806, 992, 1016, 1040, 1240, 1270, 1612, 1651, 2015, 2032, 2080, 2480, 2540, 3224, 3302, 3937, 4030, 4064, 4960, 5080, 6448, 6604, 7874, 8060, 8255, 10160, 12896, 13208, 15748, 16120, 16129, 16510, 19685, 20320, 26416, 31496, 32240, 32258, 33020, 39370, 51181, 52832, 62992, 64480, 64516, 66040, 78740, 80645, 102362, 125984, 129032, 132080, 157480, 161290, 204724, 209677, 255905, 258064, 264160, 314960, 322580, 409448, 419354, 499999, 511810, 516128, 629920, 645160, 818896, 838708, 999998, 1023620, 1048385, 1290320, 1637792, 1677416, 1999996, 2047240, 2096770, 2499995, 2580640, 3354832, 3999992, 4094480, 4193540, 4999990, 6499987, 6709664, 7999984, 8188960, 8387080, 9999980, 12999974, 15999968, 16774160, 19999960, 25999948, 32499935, 33548320, 39999920, 51999896, 64999870, 79999840, 103999792, 129999740, 207999584, 259999480, 519998960, 1039997920]

約数ペア:

[(1, 1039997920), (2, 519998960), (4, 259999480), (5, 207999584), (8, 129999740), (10, 103999792), (13, 79999840), (16, 64999870), (20, 51999896), (26, 39999920), (31, 33548320), (32, 32499935), (40, 25999948), (52, 19999960), (62, 16774160), (65, 15999968), (80, 12999974), (104, 9999980), (124, 8387080), (127, 8188960), (130, 7999984), (155, 6709664), (160, 6499987), (208, 4999990), (248, 4193540), (254, 4094480), (260, 3999992), (310, 3354832), (403, 2580640), (416, 2499995), (496, 2096770), (508, 2047240), (520, 1999996), (620, 1677416), (635, 1637792), (806, 1290320), (992, 1048385), (1016, 1023620), (1040, 999998), (1240, 838708), (1270, 818896), (1612, 645160), (1651, 629920), (2015, 516128), (2032, 511810), (2080, 499999), (2480, 419354), (2540, 409448), (3224, 322580), (3302, 314960), (3937, 264160), (4030, 258064), (4064, 255905), (4960, 209677), (5080, 204724), (6448, 161290), (6604, 157480), (7874, 132080), (8060, 129032), (8255, 125984), (10160, 102362), (12896, 80645), (13208, 78740), (15748, 66040), (16120, 64516), (16129, 64480), (16510, 62992), (19685, 52832), (20320, 51181), (26416, 39370), (31496, 33020), (32240, 32258)]