55219120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 141419520

約数和(自身を除く): 86200400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 131, 176, 220, 262, 440, 479, 524, 655, 880, 958, 1048, 1310, 1441, 1916, 2096, 2395, 2620, 2882, 3832, 4790, 5240, 5269, 5764, 7205, 7664, 9580, 10480, 10538, 11528, 14410, 19160, 21076, 23056, 26345, 28820, 38320, 42152, 52690, 57640, 62749, 84304, 105380, 115280, 125498, 210760, 250996, 313745, 421520, 501992, 627490, 690239, 1003984, 1254980, 1380478, 2509960, 2760956, 3451195, 5019920, 5521912, 6902390, 11043824, 13804780, 27609560, 55219120]

約数ペア:

[(1, 55219120), (2, 27609560), (4, 13804780), (5, 11043824), (8, 6902390), (10, 5521912), (11, 5019920), (16, 3451195), (20, 2760956), (22, 2509960), (40, 1380478), (44, 1254980), (55, 1003984), (80, 690239), (88, 627490), (110, 501992), (131, 421520), (176, 313745), (220, 250996), (262, 210760), (440, 125498), (479, 115280), (524, 105380), (655, 84304), (880, 62749), (958, 57640), (1048, 52690), (1310, 42152), (1441, 38320), (1916, 28820), (2096, 26345), (2395, 23056), (2620, 21076), (2882, 19160), (3832, 14410), (4790, 11528), (5240, 10538), (5269, 10480), (5764, 9580), (7205, 7664)]