1024640

素因数分解:

$2^7\times 5^1\times {\mathrm{1601}}^1$

素因数の和:1620

約数の個数: 32

約数和(自身を含む): 2451060

約数和(自身を除く): 1426420

約数列:

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

約数ペア:

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