66430780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{255503}}^1$

素因数の和:255525

約数の個数: 24

約数和(自身を含む): 150236352

約数和(自身を除く): 83805572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 255503, 511006, 1022012, 1277515, 2555030, 3321539, 5110060, 6643078, 13286156, 16607695, 33215390, 66430780]

約数ペア:

[(1, 66430780), (2, 33215390), (4, 16607695), (5, 13286156), (10, 6643078), (13, 5110060), (20, 3321539), (26, 2555030), (52, 1277515), (65, 1022012), (130, 511006), (260, 255503)]