27888520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 68999040

約数和(自身を除く): 41110520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 241, 263, 440, 482, 526, 964, 1052, 1205, 1315, 1928, 2104, 2410, 2630, 2651, 2893, 4820, 5260, 5302, 5786, 9640, 10520, 10604, 11572, 13255, 14465, 21208, 23144, 26510, 28930, 53020, 57860, 63383, 106040, 115720, 126766, 253532, 316915, 507064, 633830, 697213, 1267660, 1394426, 2535320, 2788852, 3486065, 5577704, 6972130, 13944260, 27888520]

約数ペア:

[(1, 27888520), (2, 13944260), (4, 6972130), (5, 5577704), (8, 3486065), (10, 2788852), (11, 2535320), (20, 1394426), (22, 1267660), (40, 697213), (44, 633830), (55, 507064), (88, 316915), (110, 253532), (220, 126766), (241, 115720), (263, 106040), (440, 63383), (482, 57860), (526, 53020), (964, 28930), (1052, 26510), (1205, 23144), (1315, 21208), (1928, 14465), (2104, 13255), (2410, 11572), (2630, 10604), (2651, 10520), (2893, 9640), (4820, 5786), (5260, 5302)]