128354360

素因数分解:

$2^3\times 5^1\times {\mathrm{3208859}}^1$

素因数の和:3208870

約数の個数: 16

約数和(自身を含む): 288797400

約数和(自身を除く): 160443040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3208859, 6417718, 12835436, 16044295, 25670872, 32088590, 64177180, 128354360]

約数ペア:

[(1, 128354360), (2, 64177180), (4, 32088590), (5, 25670872), (8, 16044295), (10, 12835436), (20, 6417718), (40, 3208859)]