87940520

素因数分解:

$2^3\times 5^1\times {\mathrm{2198513}}^1$

素因数の和:2198524

約数の個数: 16

約数和(自身を含む): 197866260

約数和(自身を除く): 109925740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2198513, 4397026, 8794052, 10992565, 17588104, 21985130, 43970260, 87940520]

約数ペア:

[(1, 87940520), (2, 43970260), (4, 21985130), (5, 17588104), (8, 10992565), (10, 8794052), (20, 4397026), (40, 2198513)]