25770992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6521}}^1$

素因数の和:6561

約数の個数: 40

約数和(自身を含む): 56610960

約数和(自身を除く): 30839968

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 6521, 13042, 26084, 52168, 84773, 104336, 123899, 169546, 247798, 339092, 495596, 678184, 991192, 1356368, 1610687, 1982384, 3221374, 6442748, 12885496, 25770992]

約数ペア:

[(1, 25770992), (2, 12885496), (4, 6442748), (8, 3221374), (13, 1982384), (16, 1610687), (19, 1356368), (26, 991192), (38, 678184), (52, 495596), (76, 339092), (104, 247798), (152, 169546), (208, 123899), (247, 104336), (304, 84773), (494, 52168), (988, 26084), (1976, 13042), (3952, 6521)]