8289620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4273}}^1$

素因数の和:4379

約数の個数: 24

約数和(自身を含む): 17591784

約数和(自身を除く): 9302164

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 4273, 8546, 17092, 21365, 42730, 85460, 414481, 828962, 1657924, 2072405, 4144810, 8289620]

約数ペア:

[(1, 8289620), (2, 4144810), (4, 2072405), (5, 1657924), (10, 828962), (20, 414481), (97, 85460), (194, 42730), (388, 21365), (485, 17092), (970, 8546), (1940, 4273)]