20565542564800

素因数分解:

$2^6\times 5^2\times {\mathrm{257}}^1\times {\mathrm{50013479}}^1$

素因数の和:50013758

約数の個数: 84

約数和(自身を含む): 50800992256080

約数和(自身を除く): 30235449691280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 257, 320, 400, 514, 800, 1028, 1285, 1600, 2056, 2570, 4112, 5140, 6425, 8224, 10280, 12850, 16448, 20560, 25700, 41120, 51400, 82240, 102800, 205600, 411200, 50013479, 100026958, 200053916, 250067395, 400107832, 500134790, 800215664, 1000269580, 1250336975, 1600431328, 2000539160, 2500673950, 3200862656, 4001078320, 5001347900, 8002156640, 10002695800, 12853464103, 16004313280, 20005391600, 25706928206, 40010783200, 51413856412, 64267320515, 80021566400, 102827712824, 128534641030, 205655425648, 257069282060, 321336602575, 411310851296, 514138564120, 642673205150, 822621702592, 1028277128240, 1285346410300, 2056554256480, 2570692820600, 4113108512960, 5141385641200, 10282771282400, 20565542564800]

約数ペア:

[(1, 20565542564800), (2, 10282771282400), (4, 5141385641200), (5, 4113108512960), (8, 2570692820600), (10, 2056554256480), (16, 1285346410300), (20, 1028277128240), (25, 822621702592), (32, 642673205150), (40, 514138564120), (50, 411310851296), (64, 321336602575), (80, 257069282060), (100, 205655425648), (160, 128534641030), (200, 102827712824), (257, 80021566400), (320, 64267320515), (400, 51413856412), (514, 40010783200), (800, 25706928206), (1028, 20005391600), (1285, 16004313280), (1600, 12853464103), (2056, 10002695800), (2570, 8002156640), (4112, 5001347900), (5140, 4001078320), (6425, 3200862656), (8224, 2500673950), (10280, 2000539160), (12850, 1600431328), (16448, 1250336975), (20560, 1000269580), (25700, 800215664), (41120, 500134790), (51400, 400107832), (82240, 250067395), (102800, 200053916), (205600, 100026958), (411200, 50013479)]