200720260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{772001}}^1$

素因数の和:772023

約数の個数: 24

約数和(自身を含む): 453937176

約数和(自身を除く): 253216916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 772001, 1544002, 3088004, 3860005, 7720010, 10036013, 15440020, 20072026, 40144052, 50180065, 100360130, 200720260]

約数ペア:

[(1, 200720260), (2, 100360130), (4, 50180065), (5, 40144052), (10, 20072026), (13, 15440020), (20, 10036013), (26, 7720010), (52, 3860005), (65, 3088004), (130, 1544002), (260, 772001)]