51501040

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 124849152

約数和(自身を除く): 73348112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 127, 137, 148, 185, 254, 274, 296, 370, 508, 548, 592, 635, 685, 740, 1016, 1096, 1270, 1370, 1480, 2032, 2192, 2540, 2740, 2960, 4699, 5069, 5080, 5480, 9398, 10138, 10160, 10960, 17399, 18796, 20276, 23495, 25345, 34798, 37592, 40552, 46990, 50690, 69596, 75184, 81104, 86995, 93980, 101380, 139192, 173990, 187960, 202760, 278384, 347980, 375920, 405520, 643763, 695960, 1287526, 1391920, 2575052, 3218815, 5150104, 6437630, 10300208, 12875260, 25750520, 51501040]

約数ペア:

[(1, 51501040), (2, 25750520), (4, 12875260), (5, 10300208), (8, 6437630), (10, 5150104), (16, 3218815), (20, 2575052), (37, 1391920), (40, 1287526), (74, 695960), (80, 643763), (127, 405520), (137, 375920), (148, 347980), (185, 278384), (254, 202760), (274, 187960), (296, 173990), (370, 139192), (508, 101380), (548, 93980), (592, 86995), (635, 81104), (685, 75184), (740, 69596), (1016, 50690), (1096, 46990), (1270, 40552), (1370, 37592), (1480, 34798), (2032, 25345), (2192, 23495), (2540, 20276), (2740, 18796), (2960, 17399), (4699, 10960), (5069, 10160), (5080, 10138), (5480, 9398)]