25565488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6469}}^1$

素因数の和:6509

約数の個数: 40

約数和(自身を含む): 56159600

約数和(自身を除く): 30594112

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 6469, 12938, 25876, 51752, 84097, 103504, 122911, 168194, 245822, 336388, 491644, 672776, 983288, 1345552, 1597843, 1966576, 3195686, 6391372, 12782744, 25565488]

約数ペア:

[(1, 25565488), (2, 12782744), (4, 6391372), (8, 3195686), (13, 1966576), (16, 1597843), (19, 1345552), (26, 983288), (38, 672776), (52, 491644), (76, 336388), (104, 245822), (152, 168194), (208, 122911), (247, 103504), (304, 84097), (494, 51752), (988, 25876), (1976, 12938), (3952, 6469)]