51560990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{396623}}^1$

素因数の和:396643

約数の個数: 16

約数和(自身を含む): 99949248

約数和(自身を除く): 48388258

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 396623, 793246, 1983115, 3966230, 5156099, 10312198, 25780495, 51560990]

約数ペア:

[(1, 51560990), (2, 25780495), (5, 10312198), (10, 5156099), (13, 3966230), (26, 1983115), (65, 793246), (130, 396623)]