204045640

素因数分解:

$2^3\times 5^1\times {\mathrm{5101141}}^1$

素因数の和:5101152

約数の個数: 16

約数和(自身を含む): 459102780

約数和(自身を除く): 255057140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5101141, 10202282, 20404564, 25505705, 40809128, 51011410, 102022820, 204045640]

約数ペア:

[(1, 204045640), (2, 102022820), (4, 51011410), (5, 40809128), (8, 25505705), (10, 20404564), (20, 10202282), (40, 5101141)]