48888400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 120

約数和(自身を含む): 131741568

約数和(自身を除く): 82853168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 41, 44, 50, 55, 80, 82, 88, 100, 110, 164, 176, 200, 205, 220, 271, 275, 328, 400, 410, 440, 451, 542, 550, 656, 820, 880, 902, 1025, 1084, 1100, 1355, 1640, 1804, 2050, 2168, 2200, 2255, 2710, 2981, 3280, 3608, 4100, 4336, 4400, 4510, 5420, 5962, 6775, 7216, 8200, 9020, 10840, 11111, 11275, 11924, 13550, 14905, 16400, 18040, 21680, 22222, 22550, 23848, 27100, 29810, 36080, 44444, 45100, 47696, 54200, 55555, 59620, 74525, 88888, 90200, 108400, 111110, 119240, 122221, 149050, 177776, 180400, 222220, 238480, 244442, 277775, 298100, 444440, 488884, 555550, 596200, 611105, 888880, 977768, 1111100, 1192400, 1222210, 1955536, 2222200, 2444420, 3055525, 4444400, 4888840, 6111050, 9777680, 12222100, 24444200, 48888400]

約数ペア:

[(1, 48888400), (2, 24444200), (4, 12222100), (5, 9777680), (8, 6111050), (10, 4888840), (11, 4444400), (16, 3055525), (20, 2444420), (22, 2222200), (25, 1955536), (40, 1222210), (41, 1192400), (44, 1111100), (50, 977768), (55, 888880), (80, 611105), (82, 596200), (88, 555550), (100, 488884), (110, 444440), (164, 298100), (176, 277775), (200, 244442), (205, 238480), (220, 222220), (271, 180400), (275, 177776), (328, 149050), (400, 122221), (410, 119240), (440, 111110), (451, 108400), (542, 90200), (550, 88888), (656, 74525), (820, 59620), (880, 55555), (902, 54200), (1025, 47696), (1084, 45100), (1100, 44444), (1355, 36080), (1640, 29810), (1804, 27100), (2050, 23848), (2168, 22550), (2200, 22222), (2255, 21680), (2710, 18040), (2981, 16400), (3280, 14905), (3608, 13550), (4100, 11924), (4336, 11275), (4400, 11111), (4510, 10840), (5420, 9020), (5962, 8200), (6775, 7216)]