71357260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274451}}^1$

素因数の和:274473

約数の個数: 24

約数和(自身を含む): 161377776

約数和(自身を除く): 90020516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 274451, 548902, 1097804, 1372255, 2744510, 3567863, 5489020, 7135726, 14271452, 17839315, 35678630, 71357260]

約数ペア:

[(1, 71357260), (2, 35678630), (4, 17839315), (5, 14271452), (10, 7135726), (13, 5489020), (20, 3567863), (26, 2744510), (52, 1372255), (65, 1097804), (130, 548902), (260, 274451)]