40422640

素因数分解:

$2^4\times 5^1\times {\mathrm{505283}}^1$

素因数の和:505296

約数の個数: 20

約数和(自身を含む): 93982824

約数和(自身を除く): 53560184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 505283, 1010566, 2021132, 2526415, 4042264, 5052830, 8084528, 10105660, 20211320, 40422640]

約数ペア:

[(1, 40422640), (2, 20211320), (4, 10105660), (5, 8084528), (8, 5052830), (10, 4042264), (16, 2526415), (20, 2021132), (40, 1010566), (80, 505283)]