26888620

素因数分解:

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

素因数の和:343

約数の個数: 72

約数和(自身を含む): 63814464

約数和(自身を除く): 36925844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 164, 205, 220, 242, 271, 410, 451, 484, 542, 605, 820, 902, 1084, 1210, 1355, 1804, 2255, 2420, 2710, 2981, 4510, 4961, 5420, 5962, 9020, 9922, 11111, 11924, 14905, 19844, 22222, 24805, 29810, 32791, 44444, 49610, 55555, 59620, 65582, 99220, 111110, 122221, 131164, 163955, 222220, 244442, 327910, 488884, 611105, 655820, 1222210, 1344431, 2444420, 2688862, 5377724, 6722155, 13444310, 26888620]

約数ペア:

[(1, 26888620), (2, 13444310), (4, 6722155), (5, 5377724), (10, 2688862), (11, 2444420), (20, 1344431), (22, 1222210), (41, 655820), (44, 611105), (55, 488884), (82, 327910), (110, 244442), (121, 222220), (164, 163955), (205, 131164), (220, 122221), (242, 111110), (271, 99220), (410, 65582), (451, 59620), (484, 55555), (542, 49610), (605, 44444), (820, 32791), (902, 29810), (1084, 24805), (1210, 22222), (1355, 19844), (1804, 14905), (2255, 11924), (2420, 11111), (2710, 9922), (2981, 9020), (4510, 5962), (4961, 5420)]