203755280

素因数分解:

$2^4\times 5^1\times {\mathrm{2546941}}^1$

素因数の和:2546954

約数の個数: 20

約数和(自身を含む): 473731212

約数和(自身を除く): 269975932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2546941, 5093882, 10187764, 12734705, 20375528, 25469410, 40751056, 50938820, 101877640, 203755280]

約数ペア:

[(1, 203755280), (2, 101877640), (4, 50938820), (5, 40751056), (8, 25469410), (10, 20375528), (16, 12734705), (20, 10187764), (40, 5093882), (80, 2546941)]