27650767640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{72911}}^1$

素因数の和:73440

約数の個数: 64

約数和(自身を含む): 65620800000

約数和(自身を除く): 37970032360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 499, 760, 998, 1996, 2495, 3992, 4990, 9481, 9980, 18962, 19960, 37924, 47405, 72911, 75848, 94810, 145822, 189620, 291644, 364555, 379240, 583288, 729110, 1385309, 1458220, 2770618, 2916440, 5541236, 6926545, 11082472, 13853090, 27706180, 36382589, 55412360, 72765178, 145530356, 181912945, 291060712, 363825890, 691269191, 727651780, 1382538382, 1455303560, 2765076764, 3456345955, 5530153528, 6912691910, 13825383820, 27650767640]

約数ペア:

[(1, 27650767640), (2, 13825383820), (4, 6912691910), (5, 5530153528), (8, 3456345955), (10, 2765076764), (19, 1455303560), (20, 1382538382), (38, 727651780), (40, 691269191), (76, 363825890), (95, 291060712), (152, 181912945), (190, 145530356), (380, 72765178), (499, 55412360), (760, 36382589), (998, 27706180), (1996, 13853090), (2495, 11082472), (3992, 6926545), (4990, 5541236), (9481, 2916440), (9980, 2770618), (18962, 1458220), (19960, 1385309), (37924, 729110), (47405, 583288), (72911, 379240), (75848, 364555), (94810, 291644), (145822, 189620)]