20211125080

素因数分解:

$2^3\times 5^1\times {\mathrm{505278127}}^1$

素因数の和:505278138

約数の個数: 16

約数和(自身を含む): 45475031520

約数和(自身を除く): 25263906440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505278127, 1010556254, 2021112508, 2526390635, 4042225016, 5052781270, 10105562540, 20211125080]

約数ペア:

[(1, 20211125080), (2, 10105562540), (4, 5052781270), (5, 4042225016), (8, 2526390635), (10, 2021112508), (20, 1010556254), (40, 505278127)]