2783840

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 6676992

約数和(自身を除く): 3893152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 137, 160, 254, 274, 508, 548, 635, 685, 1016, 1096, 1270, 1370, 2032, 2192, 2540, 2740, 4064, 4384, 5080, 5480, 10160, 10960, 17399, 20320, 21920, 34798, 69596, 86995, 139192, 173990, 278384, 347980, 556768, 695960, 1391920, 2783840]

約数ペア:

[(1, 2783840), (2, 1391920), (4, 695960), (5, 556768), (8, 347980), (10, 278384), (16, 173990), (20, 139192), (32, 86995), (40, 69596), (80, 34798), (127, 21920), (137, 20320), (160, 17399), (254, 10960), (274, 10160), (508, 5480), (548, 5080), (635, 4384), (685, 4064), (1016, 2740), (1096, 2540), (1270, 2192), (1370, 2032)]