1391920

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:277

約数の個数: 40

約数和(自身を含む): 3285504

約数和(自身を除く): 1893584

約数列:

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

約数ペア:

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