4888840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 12337920

約数和(自身を除く): 7449080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 271, 328, 410, 440, 451, 542, 820, 902, 1084, 1355, 1640, 1804, 2168, 2255, 2710, 2981, 3608, 4510, 5420, 5962, 9020, 10840, 11111, 11924, 14905, 18040, 22222, 23848, 29810, 44444, 55555, 59620, 88888, 111110, 119240, 122221, 222220, 244442, 444440, 488884, 611105, 977768, 1222210, 2444420, 4888840]

約数ペア:

[(1, 4888840), (2, 2444420), (4, 1222210), (5, 977768), (8, 611105), (10, 488884), (11, 444440), (20, 244442), (22, 222220), (40, 122221), (41, 119240), (44, 111110), (55, 88888), (82, 59620), (88, 55555), (110, 44444), (164, 29810), (205, 23848), (220, 22222), (271, 18040), (328, 14905), (410, 11924), (440, 11111), (451, 10840), (542, 9020), (820, 5962), (902, 5420), (1084, 4510), (1355, 3608), (1640, 2981), (1804, 2710), (2168, 2255)]