40090640

素因数分解:

$2^4\times 5^1\times {\mathrm{501133}}^1$

素因数の和:501146

約数の個数: 20

約数和(自身を含む): 93210924

約数和(自身を除く): 53120284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 501133, 1002266, 2004532, 2505665, 4009064, 5011330, 8018128, 10022660, 20045320, 40090640]

約数ペア:

[(1, 40090640), (2, 20045320), (4, 10022660), (5, 8018128), (8, 5011330), (10, 4009064), (16, 2505665), (20, 2004532), (40, 1002266), (80, 501133)]