82182320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1987}}^1$

素因数の和:2058

約数の個数: 80

約数和(自身を含む): 212986368

約数和(自身を除く): 130804048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1034, 1880, 1987, 2068, 2585, 3760, 3974, 4136, 5170, 7948, 8272, 9935, 10340, 15896, 19870, 20680, 21857, 31792, 39740, 41360, 43714, 79480, 87428, 93389, 109285, 158960, 174856, 186778, 218570, 349712, 373556, 437140, 466945, 747112, 874280, 933890, 1027279, 1494224, 1748560, 1867780, 2054558, 3735560, 4109116, 5136395, 7471120, 8218232, 10272790, 16436464, 20545580, 41091160, 82182320]

約数ペア:

[(1, 82182320), (2, 41091160), (4, 20545580), (5, 16436464), (8, 10272790), (10, 8218232), (11, 7471120), (16, 5136395), (20, 4109116), (22, 3735560), (40, 2054558), (44, 1867780), (47, 1748560), (55, 1494224), (80, 1027279), (88, 933890), (94, 874280), (110, 747112), (176, 466945), (188, 437140), (220, 373556), (235, 349712), (376, 218570), (440, 186778), (470, 174856), (517, 158960), (752, 109285), (880, 93389), (940, 87428), (1034, 79480), (1880, 43714), (1987, 41360), (2068, 39740), (2585, 31792), (3760, 21857), (3974, 20680), (4136, 19870), (5170, 15896), (7948, 10340), (8272, 9935)]