31968520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 74798640

約数和(自身を除く): 42830120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 164, 193, 202, 205, 328, 386, 404, 410, 505, 772, 808, 820, 965, 1010, 1544, 1640, 1930, 2020, 3860, 4040, 4141, 7720, 7913, 8282, 15826, 16564, 19493, 20705, 31652, 33128, 38986, 39565, 41410, 63304, 77972, 79130, 82820, 97465, 155944, 158260, 165640, 194930, 316520, 389860, 779720, 799213, 1598426, 3196852, 3996065, 6393704, 7992130, 15984260, 31968520]

約数ペア:

[(1, 31968520), (2, 15984260), (4, 7992130), (5, 6393704), (8, 3996065), (10, 3196852), (20, 1598426), (40, 799213), (41, 779720), (82, 389860), (101, 316520), (164, 194930), (193, 165640), (202, 158260), (205, 155944), (328, 97465), (386, 82820), (404, 79130), (410, 77972), (505, 63304), (772, 41410), (808, 39565), (820, 38986), (965, 33128), (1010, 31652), (1544, 20705), (1640, 19493), (1930, 16564), (2020, 15826), (3860, 8282), (4040, 7913), (4141, 7720)]