16560640

素因数分解:

$2^9\times 5^1\times {\mathrm{6469}}^1$

素因数の和:6492

約数の個数: 40

約数和(自身を含む): 39712860

約数和(自身を除く): 23152220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 6469, 12938, 25876, 32345, 51752, 64690, 103504, 129380, 207008, 258760, 414016, 517520, 828032, 1035040, 1656064, 2070080, 3312128, 4140160, 8280320, 16560640]

約数ペア:

[(1, 16560640), (2, 8280320), (4, 4140160), (5, 3312128), (8, 2070080), (10, 1656064), (16, 1035040), (20, 828032), (32, 517520), (40, 414016), (64, 258760), (80, 207008), (128, 129380), (160, 103504), (256, 64690), (320, 51752), (512, 32345), (640, 25876), (1280, 12938), (2560, 6469)]