81029810

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{63803}}^1$

素因数の和:63937

約数の個数: 16

約数和(自身を含む): 147004416

約数和(自身を除く): 65974606

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 63803, 127606, 319015, 638030, 8102981, 16205962, 40514905, 81029810]

約数ペア:

[(1, 81029810), (2, 40514905), (5, 16205962), (10, 8102981), (127, 638030), (254, 319015), (635, 127606), (1270, 63803)]