129062020

素因数分解:

$2^2\times 5^1\times {\mathrm{6453101}}^1$

素因数の和:6453110

約数の個数: 12

約数和(自身を含む): 271030284

約数和(自身を除く): 141968264

約数列:

[1, 2, 4, 5, 10, 20, 6453101, 12906202, 25812404, 32265505, 64531010, 129062020]

約数ペア:

[(1, 129062020), (2, 64531010), (4, 32265505), (5, 25812404), (10, 12906202), (20, 6453101)]