87549020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{336727}}^1$

素因数の和:336749

約数の個数: 24

約数和(自身を含む): 197996064

約数和(自身を除く): 110447044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 336727, 673454, 1346908, 1683635, 3367270, 4377451, 6734540, 8754902, 17509804, 21887255, 43774510, 87549020]

約数ペア:

[(1, 87549020), (2, 43774510), (4, 21887255), (5, 17509804), (10, 8754902), (13, 6734540), (20, 4377451), (26, 3367270), (52, 1683635), (65, 1346908), (130, 673454), (260, 336727)]