51547820

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{3947}}^1$

素因数の和:4609

約数の個数: 24

約数和(自身を含む): 108443664

約数和(自身を除く): 56895844

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 3947, 6530, 7894, 13060, 15788, 19735, 39470, 78940, 2577391, 5154782, 10309564, 12886955, 25773910, 51547820]

約数ペア:

[(1, 51547820), (2, 25773910), (4, 12886955), (5, 10309564), (10, 5154782), (20, 2577391), (653, 78940), (1306, 39470), (2612, 19735), (3265, 15788), (3947, 13060), (6530, 7894)]