8409740

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2113}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 17757600

約数和(自身を除く): 9347860

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 2113, 3980, 4226, 8452, 10565, 21130, 42260, 420487, 840974, 1681948, 2102435, 4204870, 8409740]

約数ペア:

[(1, 8409740), (2, 4204870), (4, 2102435), (5, 1681948), (10, 840974), (20, 420487), (199, 42260), (398, 21130), (796, 10565), (995, 8452), (1990, 4226), (2113, 3980)]