54916940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211219}}^1$

素因数の和:211241

約数の個数: 24

約数和(自身を含む): 124197360

約数和(自身を除く): 69280420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 211219, 422438, 844876, 1056095, 2112190, 2745847, 4224380, 5491694, 10983388, 13729235, 27458470, 54916940]

約数ペア:

[(1, 54916940), (2, 27458470), (4, 13729235), (5, 10983388), (10, 5491694), (13, 4224380), (20, 2745847), (26, 2112190), (52, 1056095), (65, 844876), (130, 422438), (260, 211219)]