25039768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3947}}^1$

素因数の和:4027

約数の個数: 32

約数和(自身を含む): 51402960

約数和(自身を除く): 26363192

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 3947, 6344, 7894, 15788, 31576, 51311, 102622, 205244, 240767, 410488, 481534, 963068, 1926136, 3129971, 6259942, 12519884, 25039768]

約数ペア:

[(1, 25039768), (2, 12519884), (4, 6259942), (8, 3129971), (13, 1926136), (26, 963068), (52, 481534), (61, 410488), (104, 240767), (122, 205244), (244, 102622), (488, 51311), (793, 31576), (1586, 15788), (3172, 7894), (3947, 6344)]