8280320

素因数分解:

$2^8\times 5^1\times {\mathrm{6469}}^1$

素因数の和:6490

約数の個数: 36

約数和(自身を含む): 19837020

約数和(自身を除く): 11556700

約数列:

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

約数ペア:

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