2049280

素因数分解:

$2^8\times 5^1\times {\mathrm{1601}}^1$

素因数の和:1622

約数の個数: 36

約数和(自身を含む): 4911732

約数和(自身を除く): 2862452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 1601, 3202, 6404, 8005, 12808, 16010, 25616, 32020, 51232, 64040, 102464, 128080, 204928, 256160, 409856, 512320, 1024640, 2049280]

約数ペア:

[(1, 2049280), (2, 1024640), (4, 512320), (5, 409856), (8, 256160), (10, 204928), (16, 128080), (20, 102464), (32, 64040), (40, 51232), (64, 32020), (80, 25616), (128, 16010), (160, 12808), (256, 8005), (320, 6404), (640, 3202), (1280, 1601)]