40960720

素因数分解:

$2^4\times 5^1\times {\mathrm{512009}}^1$

素因数の和:512022

約数の個数: 20

約数和(自身を含む): 95233860

約数和(自身を除く): 54273140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 512009, 1024018, 2048036, 2560045, 4096072, 5120090, 8192144, 10240180, 20480360, 40960720]

約数ペア:

[(1, 40960720), (2, 20480360), (4, 10240180), (5, 8192144), (8, 5120090), (10, 4096072), (16, 2560045), (20, 2048036), (40, 1024018), (80, 512009)]