64872040

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6029}}^1$

素因数の和:6309

約数の個数: 32

約数和(自身を含む): 146529000

約数和(自身を除く): 81656960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 6029, 10760, 12058, 24116, 30145, 48232, 60290, 120580, 241160, 1621801, 3243602, 6487204, 8109005, 12974408, 16218010, 32436020, 64872040]

約数ペア:

[(1, 64872040), (2, 32436020), (4, 16218010), (5, 12974408), (8, 8109005), (10, 6487204), (20, 3243602), (40, 1621801), (269, 241160), (538, 120580), (1076, 60290), (1345, 48232), (2152, 30145), (2690, 24116), (5380, 12058), (6029, 10760)]