11128520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21401}}^1$

素因数の和:21425

約数の個数: 32

約数和(自身を含む): 26966520

約数和(自身を除く): 15838000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 21401, 42802, 85604, 107005, 171208, 214010, 278213, 428020, 556426, 856040, 1112852, 1391065, 2225704, 2782130, 5564260, 11128520]

約数ペア:

[(1, 11128520), (2, 5564260), (4, 2782130), (5, 2225704), (8, 1391065), (10, 1112852), (13, 856040), (20, 556426), (26, 428020), (40, 278213), (52, 214010), (65, 171208), (104, 107005), (130, 85604), (260, 42802), (520, 21401)]