25712128

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{3863}}^1$

素因数の和:3894

約数の個数: 40

約数和(自身を含む): 55340208

約数和(自身を除く): 29628080

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 3863, 6656, 7726, 15452, 30904, 50219, 61808, 100438, 123616, 200876, 247232, 401752, 494464, 803504, 988928, 1607008, 1977856, 3214016, 6428032, 12856064, 25712128]

約数ペア:

[(1, 25712128), (2, 12856064), (4, 6428032), (8, 3214016), (13, 1977856), (16, 1607008), (26, 988928), (32, 803504), (52, 494464), (64, 401752), (104, 247232), (128, 200876), (208, 123616), (256, 100438), (416, 61808), (512, 50219), (832, 30904), (1664, 15452), (3328, 7726), (3863, 6656)]