204045080

素因数分解:

$2^3\times 5^1\times {\mathrm{5101127}}^1$

素因数の和:5101138

約数の個数: 16

約数和(自身を含む): 459101520

約数和(自身を除く): 255056440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5101127, 10202254, 20404508, 25505635, 40809016, 51011270, 102022540, 204045080]

約数ペア:

[(1, 204045080), (2, 102022540), (4, 51011270), (5, 40809016), (8, 25505635), (10, 20404508), (20, 10202254), (40, 5101127)]