55978120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 146966400

約数和(自身を除く): 90988280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 41, 44, 55, 58, 82, 88, 107, 110, 116, 145, 164, 205, 214, 220, 232, 290, 319, 328, 410, 428, 440, 451, 535, 580, 638, 820, 856, 902, 1070, 1160, 1177, 1189, 1276, 1595, 1640, 1804, 2140, 2255, 2354, 2378, 2552, 3103, 3190, 3608, 4280, 4387, 4510, 4708, 4756, 5885, 5945, 6206, 6380, 8774, 9020, 9416, 9512, 11770, 11890, 12412, 12760, 13079, 15515, 17548, 18040, 21935, 23540, 23780, 24824, 26158, 31030, 34133, 35096, 43870, 47080, 47560, 48257, 52316, 62060, 65395, 68266, 87740, 96514, 104632, 124120, 127223, 130790, 136532, 170665, 175480, 193028, 241285, 254446, 261580, 273064, 341330, 386056, 482570, 508892, 523160, 636115, 682660, 965140, 1017784, 1272230, 1365320, 1399453, 1930280, 2544460, 2798906, 5088920, 5597812, 6997265, 11195624, 13994530, 27989060, 55978120]

約数ペア:

[(1, 55978120), (2, 27989060), (4, 13994530), (5, 11195624), (8, 6997265), (10, 5597812), (11, 5088920), (20, 2798906), (22, 2544460), (29, 1930280), (40, 1399453), (41, 1365320), (44, 1272230), (55, 1017784), (58, 965140), (82, 682660), (88, 636115), (107, 523160), (110, 508892), (116, 482570), (145, 386056), (164, 341330), (205, 273064), (214, 261580), (220, 254446), (232, 241285), (290, 193028), (319, 175480), (328, 170665), (410, 136532), (428, 130790), (440, 127223), (451, 124120), (535, 104632), (580, 96514), (638, 87740), (820, 68266), (856, 65395), (902, 62060), (1070, 52316), (1160, 48257), (1177, 47560), (1189, 47080), (1276, 43870), (1595, 35096), (1640, 34133), (1804, 31030), (2140, 26158), (2255, 24824), (2354, 23780), (2378, 23540), (2552, 21935), (3103, 18040), (3190, 17548), (3608, 15515), (4280, 13079), (4387, 12760), (4510, 12412), (4708, 11890), (4756, 11770), (5885, 9512), (5945, 9416), (6206, 9020), (6380, 8774)]