164855360

素因数分解:

$2^6\times 5^1\times {\mathrm{515173}}^1$

素因数の和:515190

約数の個数: 28

約数和(自身を含む): 392562588

約数和(自身を除く): 227707228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 515173, 1030346, 2060692, 2575865, 4121384, 5151730, 8242768, 10303460, 16485536, 20606920, 32971072, 41213840, 82427680, 164855360]

約数ペア:

[(1, 164855360), (2, 82427680), (4, 41213840), (5, 32971072), (8, 20606920), (10, 16485536), (16, 10303460), (20, 8242768), (32, 5151730), (40, 4121384), (64, 2575865), (80, 2060692), (160, 1030346), (320, 515173)]