842674640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2357}}^1$

素因数の和:2520

約数の個数: 80

約数和(自身を含む): 2026276560

約数和(自身を除く): 1183601920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 109, 164, 205, 218, 328, 410, 436, 545, 656, 820, 872, 1090, 1640, 1744, 2180, 2357, 3280, 4360, 4469, 4714, 8720, 8938, 9428, 11785, 17876, 18856, 22345, 23570, 35752, 37712, 44690, 47140, 71504, 89380, 94280, 96637, 178760, 188560, 193274, 256913, 357520, 386548, 483185, 513826, 773096, 966370, 1027652, 1284565, 1546192, 1932740, 2055304, 2569130, 3865480, 4110608, 5138260, 7730960, 10276520, 10533433, 20553040, 21066866, 42133732, 52667165, 84267464, 105334330, 168534928, 210668660, 421337320, 842674640]

約数ペア:

[(1, 842674640), (2, 421337320), (4, 210668660), (5, 168534928), (8, 105334330), (10, 84267464), (16, 52667165), (20, 42133732), (40, 21066866), (41, 20553040), (80, 10533433), (82, 10276520), (109, 7730960), (164, 5138260), (205, 4110608), (218, 3865480), (328, 2569130), (410, 2055304), (436, 1932740), (545, 1546192), (656, 1284565), (820, 1027652), (872, 966370), (1090, 773096), (1640, 513826), (1744, 483185), (2180, 386548), (2357, 357520), (3280, 256913), (4360, 193274), (4469, 188560), (4714, 178760), (8720, 96637), (8938, 94280), (9428, 89380), (11785, 71504), (17876, 47140), (18856, 44690), (22345, 37712), (23570, 35752)]