15984260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 34906032

約数和(自身を除く): 18921772

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 164, 193, 202, 205, 386, 404, 410, 505, 772, 820, 965, 1010, 1930, 2020, 3860, 4141, 7913, 8282, 15826, 16564, 19493, 20705, 31652, 38986, 39565, 41410, 77972, 79130, 82820, 97465, 158260, 194930, 389860, 799213, 1598426, 3196852, 3996065, 7992130, 15984260]

約数ペア:

[(1, 15984260), (2, 7992130), (4, 3996065), (5, 3196852), (10, 1598426), (20, 799213), (41, 389860), (82, 194930), (101, 158260), (164, 97465), (193, 82820), (202, 79130), (205, 77972), (386, 41410), (404, 39565), (410, 38986), (505, 31652), (772, 20705), (820, 19493), (965, 16564), (1010, 15826), (1930, 8282), (2020, 7913), (3860, 4141)]