51946960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 131241600

約数和(自身を除く): 79294640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 199, 208, 251, 260, 398, 502, 520, 796, 995, 1004, 1040, 1255, 1592, 1990, 2008, 2510, 2587, 3184, 3263, 3980, 4016, 5020, 5174, 6526, 7960, 10040, 10348, 12935, 13052, 15920, 16315, 20080, 20696, 25870, 26104, 32630, 41392, 49949, 51740, 52208, 65260, 99898, 103480, 130520, 199796, 206960, 249745, 261040, 399592, 499490, 649337, 799184, 998980, 1298674, 1997960, 2597348, 3246685, 3995920, 5194696, 6493370, 10389392, 12986740, 25973480, 51946960]

約数ペア:

[(1, 51946960), (2, 25973480), (4, 12986740), (5, 10389392), (8, 6493370), (10, 5194696), (13, 3995920), (16, 3246685), (20, 2597348), (26, 1997960), (40, 1298674), (52, 998980), (65, 799184), (80, 649337), (104, 499490), (130, 399592), (199, 261040), (208, 249745), (251, 206960), (260, 199796), (398, 130520), (502, 103480), (520, 99898), (796, 65260), (995, 52208), (1004, 51740), (1040, 49949), (1255, 41392), (1592, 32630), (1990, 26104), (2008, 25870), (2510, 20696), (2587, 20080), (3184, 16315), (3263, 15920), (3980, 13052), (4016, 12935), (5020, 10348), (5174, 10040), (6526, 7960)]