208853560

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{19853}}^1$

素因数の和:20127

約数の個数: 32

約数和(自身を含む): 471731040

約数和(自身を除く): 262877480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 19853, 39706, 79412, 99265, 158824, 198530, 397060, 794120, 5221339, 10442678, 20885356, 26106695, 41770712, 52213390, 104426780, 208853560]

約数ペア:

[(1, 208853560), (2, 104426780), (4, 52213390), (5, 41770712), (8, 26106695), (10, 20885356), (20, 10442678), (40, 5221339), (263, 794120), (526, 397060), (1052, 198530), (1315, 158824), (2104, 99265), (2630, 79412), (5260, 39706), (10520, 19853)]