87393680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2113}}^1$

素因数の和:2184

約数の個数: 80

約数和(自身を含む): 226485504

約数和(自身を除く): 139091824

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, 2068, 2113, 2585, 3760, 4136, 4226, 5170, 8272, 8452, 10340, 10565, 16904, 20680, 21130, 23243, 33808, 41360, 42260, 46486, 84520, 92972, 99311, 116215, 169040, 185944, 198622, 232430, 371888, 397244, 464860, 496555, 794488, 929720, 993110, 1092421, 1588976, 1859440, 1986220, 2184842, 3972440, 4369684, 5462105, 7944880, 8739368, 10924210, 17478736, 21848420, 43696840, 87393680]

約数ペア:

[(1, 87393680), (2, 43696840), (4, 21848420), (5, 17478736), (8, 10924210), (10, 8739368), (11, 7944880), (16, 5462105), (20, 4369684), (22, 3972440), (40, 2184842), (44, 1986220), (47, 1859440), (55, 1588976), (80, 1092421), (88, 993110), (94, 929720), (110, 794488), (176, 496555), (188, 464860), (220, 397244), (235, 371888), (376, 232430), (440, 198622), (470, 185944), (517, 169040), (752, 116215), (880, 99311), (940, 92972), (1034, 84520), (1880, 46486), (2068, 42260), (2113, 41360), (2585, 33808), (3760, 23243), (4136, 21130), (4226, 20680), (5170, 16904), (8272, 10565), (8452, 10340)]