64278080

素因数分解:

$2^6\times 5^1\times {\mathrm{200869}}^1$

素因数の和:200886

約数の個数: 28

約数和(自身を含む): 153062940

約数和(自身を除く): 88784860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 200869, 401738, 803476, 1004345, 1606952, 2008690, 3213904, 4017380, 6427808, 8034760, 12855616, 16069520, 32139040, 64278080]

約数ペア:

[(1, 64278080), (2, 32139040), (4, 16069520), (5, 12855616), (8, 8034760), (10, 6427808), (16, 4017380), (20, 3213904), (32, 2008690), (40, 1606952), (64, 1004345), (80, 803476), (160, 401738), (320, 200869)]