28820960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25733}}^1$

素因数の和:25755

約数の個数: 48

約数和(自身を含む): 77819616

約数和(自身を除く): 48998656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25733, 51466, 102932, 128665, 180131, 205864, 257330, 360262, 411728, 514660, 720524, 823456, 900655, 1029320, 1441048, 1801310, 2058640, 2882096, 3602620, 4117280, 5764192, 7205240, 14410480, 28820960]

約数ペア:

[(1, 28820960), (2, 14410480), (4, 7205240), (5, 5764192), (7, 4117280), (8, 3602620), (10, 2882096), (14, 2058640), (16, 1801310), (20, 1441048), (28, 1029320), (32, 900655), (35, 823456), (40, 720524), (56, 514660), (70, 411728), (80, 360262), (112, 257330), (140, 205864), (160, 180131), (224, 128665), (280, 102932), (560, 51466), (1120, 25733)]