28080190

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{9029}}^1$

素因数の和:9347

約数の個数: 16

約数和(自身を含む): 50712480

約数和(自身を除く): 22632290

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 9029, 18058, 45145, 90290, 2808019, 5616038, 14040095, 28080190]

約数ペア:

[(1, 28080190), (2, 14040095), (5, 5616038), (10, 2808019), (311, 90290), (622, 45145), (1555, 18058), (3110, 9029)]