201612390260

素因数分解:

$2^2\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{9273799}}^1$

素因数の和:9274895

約数の個数: 24

約数和(自身を含む): 423775564800

約数和(自身を除く): 222163174540

約数列:

[1, 2, 4, 5, 10, 20, 1087, 2174, 4348, 5435, 10870, 21740, 9273799, 18547598, 37095196, 46368995, 92737990, 185475980, 10080619513, 20161239026, 40322478052, 50403097565, 100806195130, 201612390260]

約数ペア:

[(1, 201612390260), (2, 100806195130), (4, 50403097565), (5, 40322478052), (10, 20161239026), (20, 10080619513), (1087, 185475980), (2174, 92737990), (4348, 46368995), (5435, 37095196), (10870, 18547598), (21740, 9273799)]