28266040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{283}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 69932160

約数和(自身を除く): 41666120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 283, 440, 454, 566, 908, 1132, 1135, 1415, 1816, 2264, 2270, 2497, 2830, 3113, 4540, 4994, 5660, 6226, 9080, 9988, 11320, 12452, 12485, 15565, 19976, 24904, 24970, 31130, 49940, 62260, 64241, 99880, 124520, 128482, 256964, 321205, 513928, 642410, 706651, 1284820, 1413302, 2569640, 2826604, 3533255, 5653208, 7066510, 14133020, 28266040]

約数ペア:

[(1, 28266040), (2, 14133020), (4, 7066510), (5, 5653208), (8, 3533255), (10, 2826604), (11, 2569640), (20, 1413302), (22, 1284820), (40, 706651), (44, 642410), (55, 513928), (88, 321205), (110, 256964), (220, 128482), (227, 124520), (283, 99880), (440, 64241), (454, 62260), (566, 49940), (908, 31130), (1132, 24970), (1135, 24904), (1415, 19976), (1816, 15565), (2264, 12485), (2270, 12452), (2497, 11320), (2830, 9988), (3113, 9080), (4540, 6226), (4994, 5660)]