40637968

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2857}}^1$

素因数の和:2999

約数の個数: 40

約数和(自身を含む): 90724352

約数和(自身を除く): 50086384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 2857, 3556, 5714, 7112, 11428, 14224, 19999, 22856, 39998, 45712, 79996, 159992, 319984, 362839, 725678, 1451356, 2539873, 2902712, 5079746, 5805424, 10159492, 20318984, 40637968]

約数ペア:

[(1, 40637968), (2, 20318984), (4, 10159492), (7, 5805424), (8, 5079746), (14, 2902712), (16, 2539873), (28, 1451356), (56, 725678), (112, 362839), (127, 319984), (254, 159992), (508, 79996), (889, 45712), (1016, 39998), (1778, 22856), (2032, 19999), (2857, 14224), (3556, 11428), (5714, 7112)]