2180562816920

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{3088091}}^1$

素因数の和:3088368

約数の個数: 64

約数和(自身を含む): 4980474777600

約数和(自身を除く): 2799911960680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 139, 254, 278, 508, 556, 635, 695, 1016, 1112, 1270, 1390, 2540, 2780, 5080, 5560, 17653, 35306, 70612, 88265, 141224, 176530, 353060, 706120, 3088091, 6176182, 12352364, 15440455, 24704728, 30880910, 61761820, 123523640, 392187557, 429244649, 784375114, 858489298, 1568750228, 1716978596, 1960937785, 2146223245, 3137500456, 3433957192, 3921875570, 4292446490, 7843751140, 8584892980, 15687502280, 17169785960, 54514070423, 109028140846, 218056281692, 272570352115, 436112563384, 545140704230, 1090281408460, 2180562816920]

約数ペア:

[(1, 2180562816920), (2, 1090281408460), (4, 545140704230), (5, 436112563384), (8, 272570352115), (10, 218056281692), (20, 109028140846), (40, 54514070423), (127, 17169785960), (139, 15687502280), (254, 8584892980), (278, 7843751140), (508, 4292446490), (556, 3921875570), (635, 3433957192), (695, 3137500456), (1016, 2146223245), (1112, 1960937785), (1270, 1716978596), (1390, 1568750228), (2540, 858489298), (2780, 784375114), (5080, 429244649), (5560, 392187557), (17653, 123523640), (35306, 61761820), (70612, 30880910), (88265, 24704728), (141224, 15440455), (176530, 12352364), (353060, 6176182), (706120, 3088091)]