4090640

素因数分解:

$2^4\times 5^1\times {\mathrm{51133}}^1$

素因数の和:51146

約数の個数: 20

約数和(自身を含む): 9510924

約数和(自身を除く): 5420284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51133, 102266, 204532, 255665, 409064, 511330, 818128, 1022660, 2045320, 4090640]

約数ペア:

[(1, 4090640), (2, 2045320), (4, 1022660), (5, 818128), (8, 511330), (10, 409064), (16, 255665), (20, 204532), (40, 102266), (80, 51133)]