165104320

素因数分解:

$2^6\times 5^1\times {\mathrm{515951}}^1$

素因数の和:515968

約数の個数: 28

約数和(自身を含む): 393155424

約数和(自身を除く): 228051104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 515951, 1031902, 2063804, 2579755, 4127608, 5159510, 8255216, 10319020, 16510432, 20638040, 33020864, 41276080, 82552160, 165104320]

約数ペア:

[(1, 165104320), (2, 82552160), (4, 41276080), (5, 33020864), (8, 20638040), (10, 16510432), (16, 10319020), (20, 8255216), (32, 5159510), (40, 4127608), (64, 2579755), (80, 2063804), (160, 1031902), (320, 515951)]