8039920

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{293}}^1$

素因数の和:327

約数の個数: 80

約数和(自身を含む): 21873600

約数和(自身を除く): 13833680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 293, 343, 392, 490, 560, 586, 686, 784, 980, 1172, 1372, 1465, 1715, 1960, 2051, 2344, 2744, 2930, 3430, 3920, 4102, 4688, 5488, 5860, 6860, 8204, 10255, 11720, 13720, 14357, 16408, 20510, 23440, 27440, 28714, 32816, 41020, 57428, 71785, 82040, 100499, 114856, 143570, 164080, 200998, 229712, 287140, 401996, 502495, 574280, 803992, 1004990, 1148560, 1607984, 2009980, 4019960, 8039920]

約数ペア:

[(1, 8039920), (2, 4019960), (4, 2009980), (5, 1607984), (7, 1148560), (8, 1004990), (10, 803992), (14, 574280), (16, 502495), (20, 401996), (28, 287140), (35, 229712), (40, 200998), (49, 164080), (56, 143570), (70, 114856), (80, 100499), (98, 82040), (112, 71785), (140, 57428), (196, 41020), (245, 32816), (280, 28714), (293, 27440), (343, 23440), (392, 20510), (490, 16408), (560, 14357), (586, 13720), (686, 11720), (784, 10255), (980, 8204), (1172, 6860), (1372, 5860), (1465, 5488), (1715, 4688), (1960, 4102), (2051, 3920), (2344, 3430), (2744, 2930)]