25615730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:939

約数の個数: 48

約数和(自身を含む): 54579096

約数和(自身を除く): 28963366

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 610, 854, 857, 1714, 2135, 2989, 4270, 4285, 5978, 5999, 8570, 11998, 14945, 29890, 29995, 41993, 52277, 59990, 83986, 104554, 209965, 261385, 365939, 419930, 522770, 731878, 1829695, 2561573, 3659390, 5123146, 12807865, 25615730]

約数ペア:

[(1, 25615730), (2, 12807865), (5, 5123146), (7, 3659390), (10, 2561573), (14, 1829695), (35, 731878), (49, 522770), (61, 419930), (70, 365939), (98, 261385), (122, 209965), (245, 104554), (305, 83986), (427, 59990), (490, 52277), (610, 41993), (854, 29995), (857, 29890), (1714, 14945), (2135, 11998), (2989, 8570), (4270, 5999), (4285, 5978)]