2125155280

素因数分解:

$2^4\times 5^1\times {\mathrm{26564441}}^1$

素因数の和:26564454

約数の個数: 20

約数和(自身を含む): 4940986212

約数和(自身を除く): 2815830932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26564441, 53128882, 106257764, 132822205, 212515528, 265644410, 425031056, 531288820, 1062577640, 2125155280]

約数ペア:

[(1, 2125155280), (2, 1062577640), (4, 531288820), (5, 425031056), (8, 265644410), (10, 212515528), (16, 132822205), (20, 106257764), (40, 53128882), (80, 26564441)]