16555120

素因数分解:

$2^4\times 5^1\times {\mathrm{206939}}^1$

素因数の和:206952

約数の個数: 20

約数和(自身を含む): 38490840

約数和(自身を除く): 21935720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 206939, 413878, 827756, 1034695, 1655512, 2069390, 3311024, 4138780, 8277560, 16555120]

約数ペア:

[(1, 16555120), (2, 8277560), (4, 4138780), (5, 3311024), (8, 2069390), (10, 1655512), (16, 1034695), (20, 827756), (40, 413878), (80, 206939)]