86905720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{751}}^1$

素因数の和:1036

約数の個数: 64

約数和(自身を含む): 214410240

約数和(自身を除く): 127504520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 263, 440, 526, 751, 1052, 1315, 1502, 2104, 2630, 2893, 3004, 3755, 5260, 5786, 6008, 7510, 8261, 10520, 11572, 14465, 15020, 16522, 23144, 28930, 30040, 33044, 41305, 57860, 66088, 82610, 115720, 165220, 197513, 330440, 395026, 790052, 987565, 1580104, 1975130, 2172643, 3950260, 4345286, 7900520, 8690572, 10863215, 17381144, 21726430, 43452860, 86905720]

約数ペア:

[(1, 86905720), (2, 43452860), (4, 21726430), (5, 17381144), (8, 10863215), (10, 8690572), (11, 7900520), (20, 4345286), (22, 3950260), (40, 2172643), (44, 1975130), (55, 1580104), (88, 987565), (110, 790052), (220, 395026), (263, 330440), (440, 197513), (526, 165220), (751, 115720), (1052, 82610), (1315, 66088), (1502, 57860), (2104, 41305), (2630, 33044), (2893, 30040), (3004, 28930), (3755, 23144), (5260, 16522), (5786, 15020), (6008, 14465), (7510, 11572), (8261, 10520)]