80978216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40009}}^1$

素因数の和:40049

約数の個数: 32

約数和(自身を含む): 172843200

約数和(自身を除く): 91864984

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 40009, 80018, 160036, 320072, 440099, 880198, 920207, 1760396, 1840414, 3520792, 3680828, 7361656, 10122277, 20244554, 40489108, 80978216]

約数ペア:

[(1, 80978216), (2, 40489108), (4, 20244554), (8, 10122277), (11, 7361656), (22, 3680828), (23, 3520792), (44, 1840414), (46, 1760396), (88, 920207), (92, 880198), (184, 440099), (253, 320072), (506, 160036), (1012, 80018), (2024, 40009)]