43838020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 95136048

約数和(自身を除く): 51298028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 193, 205, 277, 386, 410, 554, 772, 820, 965, 1108, 1385, 1930, 2770, 3860, 5540, 7913, 11357, 15826, 22714, 31652, 39565, 45428, 53461, 56785, 79130, 106922, 113570, 158260, 213844, 227140, 267305, 534610, 1069220, 2191901, 4383802, 8767604, 10959505, 21919010, 43838020]

約数ペア:

[(1, 43838020), (2, 21919010), (4, 10959505), (5, 8767604), (10, 4383802), (20, 2191901), (41, 1069220), (82, 534610), (164, 267305), (193, 227140), (205, 213844), (277, 158260), (386, 113570), (410, 106922), (554, 79130), (772, 56785), (820, 53461), (965, 45428), (1108, 39565), (1385, 31652), (1930, 22714), (2770, 15826), (3860, 11357), (5540, 7913)]