55352380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25391}}^1$

素因数の和:25509

約数の個数: 24

約数和(自身を含む): 117311040

約数和(自身を除く): 61958660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 25391, 50782, 101564, 126955, 253910, 507820, 2767619, 5535238, 11070476, 13838095, 27676190, 55352380]

約数ペア:

[(1, 55352380), (2, 27676190), (4, 13838095), (5, 11070476), (10, 5535238), (20, 2767619), (109, 507820), (218, 253910), (436, 126955), (545, 101564), (1090, 50782), (2180, 25391)]