25750520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 60410880

約数和(自身を除く): 34660360

約数列:

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

約数ペア:

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