51176840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:447

約数の個数: 128

約数和(自身を含む): 141523200

約数和(自身を除く): 90346360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 88, 92, 104, 110, 115, 130, 143, 184, 220, 230, 253, 260, 286, 299, 389, 440, 460, 506, 520, 572, 598, 715, 778, 920, 1012, 1144, 1196, 1265, 1430, 1495, 1556, 1945, 2024, 2392, 2530, 2860, 2990, 3112, 3289, 3890, 4279, 5057, 5060, 5720, 5980, 6578, 7780, 8558, 8947, 10114, 10120, 11960, 13156, 15560, 16445, 17116, 17894, 20228, 21395, 25285, 26312, 32890, 34232, 35788, 40456, 42790, 44735, 50570, 55627, 65780, 71576, 85580, 89470, 98417, 101140, 111254, 116311, 131560, 171160, 178940, 196834, 202280, 222508, 232622, 278135, 357880, 393668, 445016, 465244, 492085, 556270, 581555, 787336, 930488, 984170, 1112540, 1163110, 1279421, 1968340, 2225080, 2326220, 2558842, 3936680, 4652440, 5117684, 6397105, 10235368, 12794210, 25588420, 51176840]

約数ペア:

[(1, 51176840), (2, 25588420), (4, 12794210), (5, 10235368), (8, 6397105), (10, 5117684), (11, 4652440), (13, 3936680), (20, 2558842), (22, 2326220), (23, 2225080), (26, 1968340), (40, 1279421), (44, 1163110), (46, 1112540), (52, 984170), (55, 930488), (65, 787336), (88, 581555), (92, 556270), (104, 492085), (110, 465244), (115, 445016), (130, 393668), (143, 357880), (184, 278135), (220, 232622), (230, 222508), (253, 202280), (260, 196834), (286, 178940), (299, 171160), (389, 131560), (440, 116311), (460, 111254), (506, 101140), (520, 98417), (572, 89470), (598, 85580), (715, 71576), (778, 65780), (920, 55627), (1012, 50570), (1144, 44735), (1196, 42790), (1265, 40456), (1430, 35788), (1495, 34232), (1556, 32890), (1945, 26312), (2024, 25285), (2392, 21395), (2530, 20228), (2860, 17894), (2990, 17116), (3112, 16445), (3289, 15560), (3890, 13156), (4279, 11960), (5057, 10120), (5060, 10114), (5720, 8947), (5980, 8558), (6578, 7780)]