40787320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 112066560

約数和(自身を除く): 71279240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 124, 127, 140, 148, 155, 185, 217, 248, 254, 259, 280, 296, 310, 370, 434, 508, 518, 620, 635, 740, 868, 889, 1016, 1036, 1085, 1147, 1240, 1270, 1295, 1480, 1736, 1778, 2072, 2170, 2294, 2540, 2590, 3556, 3937, 4340, 4445, 4588, 4699, 5080, 5180, 5735, 7112, 7874, 8029, 8680, 8890, 9176, 9398, 10360, 11470, 15748, 16058, 17780, 18796, 19685, 22940, 23495, 27559, 31496, 32116, 32893, 35560, 37592, 39370, 40145, 45880, 46990, 55118, 64232, 65786, 78740, 80290, 93980, 110236, 131572, 137795, 145669, 157480, 160580, 164465, 187960, 220472, 263144, 275590, 291338, 321160, 328930, 551180, 582676, 657860, 728345, 1019683, 1102360, 1165352, 1315720, 1456690, 2039366, 2913380, 4078732, 5098415, 5826760, 8157464, 10196830, 20393660, 40787320]

約数ペア:

[(1, 40787320), (2, 20393660), (4, 10196830), (5, 8157464), (7, 5826760), (8, 5098415), (10, 4078732), (14, 2913380), (20, 2039366), (28, 1456690), (31, 1315720), (35, 1165352), (37, 1102360), (40, 1019683), (56, 728345), (62, 657860), (70, 582676), (74, 551180), (124, 328930), (127, 321160), (140, 291338), (148, 275590), (155, 263144), (185, 220472), (217, 187960), (248, 164465), (254, 160580), (259, 157480), (280, 145669), (296, 137795), (310, 131572), (370, 110236), (434, 93980), (508, 80290), (518, 78740), (620, 65786), (635, 64232), (740, 55118), (868, 46990), (889, 45880), (1016, 40145), (1036, 39370), (1085, 37592), (1147, 35560), (1240, 32893), (1270, 32116), (1295, 31496), (1480, 27559), (1736, 23495), (1778, 22940), (2072, 19685), (2170, 18796), (2294, 17780), (2540, 16058), (2590, 15748), (3556, 11470), (3937, 10360), (4340, 9398), (4445, 9176), (4588, 8890), (4699, 8680), (5080, 8029), (5180, 7874), (5735, 7112)]