6528640

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^2$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 15763590

約数和(自身を除く): 9234950

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 320, 404, 505, 640, 808, 1010, 1616, 2020, 3232, 4040, 6464, 8080, 10201, 12928, 16160, 20402, 32320, 40804, 51005, 64640, 81608, 102010, 163216, 204020, 326432, 408040, 652864, 816080, 1305728, 1632160, 3264320, 6528640]

約数ペア:

[(1, 6528640), (2, 3264320), (4, 1632160), (5, 1305728), (8, 816080), (10, 652864), (16, 408040), (20, 326432), (32, 204020), (40, 163216), (64, 102010), (80, 81608), (101, 64640), (128, 51005), (160, 40804), (202, 32320), (320, 20402), (404, 16160), (505, 12928), (640, 10201), (808, 8080), (1010, 6464), (1616, 4040), (2020, 3232)]