16040591920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{19949}}^1$

素因数の和:20027

約数の個数: 120

約数和(自身を含む): 41040342000

約数和(自身を除く): 24999750080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 529, 760, 874, 920, 1058, 1520, 1748, 1840, 2116, 2185, 2645, 3496, 4232, 4370, 5290, 6992, 8464, 8740, 10051, 10580, 17480, 19949, 20102, 21160, 34960, 39898, 40204, 42320, 50255, 79796, 80408, 99745, 100510, 159592, 160816, 199490, 201020, 319184, 379031, 398980, 402040, 458827, 758062, 797960, 804080, 917654, 1516124, 1595920, 1835308, 1895155, 2294135, 3032248, 3670616, 3790310, 4588270, 6064496, 7341232, 7580620, 8717713, 9176540, 10553021, 15161240, 17435426, 18353080, 21106042, 30322480, 34870852, 36706160, 42212084, 43588565, 52765105, 69741704, 84424168, 87177130, 105530210, 139483408, 168848336, 174354260, 200507399, 211060420, 348708520, 401014798, 422120840, 697417040, 802029596, 844241680, 1002536995, 1604059192, 2005073990, 3208118384, 4010147980, 8020295960, 16040591920]

約数ペア:

[(1, 16040591920), (2, 8020295960), (4, 4010147980), (5, 3208118384), (8, 2005073990), (10, 1604059192), (16, 1002536995), (19, 844241680), (20, 802029596), (23, 697417040), (38, 422120840), (40, 401014798), (46, 348708520), (76, 211060420), (80, 200507399), (92, 174354260), (95, 168848336), (115, 139483408), (152, 105530210), (184, 87177130), (190, 84424168), (230, 69741704), (304, 52765105), (368, 43588565), (380, 42212084), (437, 36706160), (460, 34870852), (529, 30322480), (760, 21106042), (874, 18353080), (920, 17435426), (1058, 15161240), (1520, 10553021), (1748, 9176540), (1840, 8717713), (2116, 7580620), (2185, 7341232), (2645, 6064496), (3496, 4588270), (4232, 3790310), (4370, 3670616), (5290, 3032248), (6992, 2294135), (8464, 1895155), (8740, 1835308), (10051, 1595920), (10580, 1516124), (17480, 917654), (19949, 804080), (20102, 797960), (21160, 758062), (34960, 458827), (39898, 402040), (40204, 398980), (42320, 379031), (50255, 319184), (79796, 201020), (80408, 199490), (99745, 160816), (100510, 159592)]