2056556720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{4937}}^1$

素因数の和:5118

約数の個数: 80

約数和(自身を含む): 4937683968

約数和(自身を除く): 2881127248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 127, 164, 205, 254, 328, 410, 508, 635, 656, 820, 1016, 1270, 1640, 2032, 2540, 3280, 4937, 5080, 5207, 9874, 10160, 10414, 19748, 20828, 24685, 26035, 39496, 41656, 49370, 52070, 78992, 83312, 98740, 104140, 197480, 202417, 208280, 394960, 404834, 416560, 626999, 809668, 1012085, 1253998, 1619336, 2024170, 2507996, 3134995, 3238672, 4048340, 5015992, 6269990, 8096680, 10031984, 12539980, 16193360, 25079960, 25706959, 50159920, 51413918, 102827836, 128534795, 205655672, 257069590, 411311344, 514139180, 1028278360, 2056556720]

約数ペア:

[(1, 2056556720), (2, 1028278360), (4, 514139180), (5, 411311344), (8, 257069590), (10, 205655672), (16, 128534795), (20, 102827836), (40, 51413918), (41, 50159920), (80, 25706959), (82, 25079960), (127, 16193360), (164, 12539980), (205, 10031984), (254, 8096680), (328, 6269990), (410, 5015992), (508, 4048340), (635, 3238672), (656, 3134995), (820, 2507996), (1016, 2024170), (1270, 1619336), (1640, 1253998), (2032, 1012085), (2540, 809668), (3280, 626999), (4937, 416560), (5080, 404834), (5207, 394960), (9874, 208280), (10160, 202417), (10414, 197480), (19748, 104140), (20828, 98740), (24685, 83312), (26035, 78992), (39496, 52070), (41656, 49370)]