2577960020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{610891}}^1$

素因数の和:611111

約数の個数: 24

約数和(自身を含む): 5439382368

約数和(自身を除く): 2861422348

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 610891, 1221782, 2443564, 3054455, 6108910, 12217820, 128898001, 257796002, 515592004, 644490005, 1288980010, 2577960020]

約数ペア:

[(1, 2577960020), (2, 1288980010), (4, 644490005), (5, 515592004), (10, 257796002), (20, 128898001), (211, 12217820), (422, 6108910), (844, 3054455), (1055, 2443564), (2110, 1221782), (4220, 610891)]