1281372880

素因数分解:

$2^4\times 5^1\times {\mathrm{1753}}^1\times {\mathrm{9137}}^1$

素因数の和:10903

約数の個数: 40

約数和(自身を含む): 2981217672

約数和(自身を除く): 1699844792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1753, 3506, 7012, 8765, 9137, 14024, 17530, 18274, 28048, 35060, 36548, 45685, 70120, 73096, 91370, 140240, 146192, 182740, 365480, 730960, 16017161, 32034322, 64068644, 80085805, 128137288, 160171610, 256274576, 320343220, 640686440, 1281372880]

約数ペア:

[(1, 1281372880), (2, 640686440), (4, 320343220), (5, 256274576), (8, 160171610), (10, 128137288), (16, 80085805), (20, 64068644), (40, 32034322), (80, 16017161), (1753, 730960), (3506, 365480), (7012, 182740), (8765, 146192), (9137, 140240), (14024, 91370), (17530, 73096), (18274, 70120), (28048, 45685), (35060, 36548)]