4008640

素因数分解:

$2^6\times 5^1\times {\mathrm{12527}}^1$

素因数の和:12544

約数の個数: 28

約数和(自身を含む): 9546336

約数和(自身を除く): 5537696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 12527, 25054, 50108, 62635, 100216, 125270, 200432, 250540, 400864, 501080, 801728, 1002160, 2004320, 4008640]

約数ペア:

[(1, 4008640), (2, 2004320), (4, 1002160), (5, 801728), (8, 501080), (10, 400864), (16, 250540), (20, 200432), (32, 125270), (40, 100216), (64, 62635), (80, 50108), (160, 25054), (320, 12527)]