80203208

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{1087}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 157455360

約数和(自身を除く): 77252152

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 401, 802, 1087, 1604, 2174, 3208, 4348, 8696, 9223, 18446, 25001, 36892, 50002, 73784, 100004, 200008, 435887, 871774, 1743548, 3487096, 10025401, 20050802, 40101604, 80203208]

約数ペア:

[(1, 80203208), (2, 40101604), (4, 20050802), (8, 10025401), (23, 3487096), (46, 1743548), (92, 871774), (184, 435887), (401, 200008), (802, 100004), (1087, 73784), (1604, 50002), (2174, 36892), (3208, 25001), (4348, 18446), (8696, 9223)]