206808760

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{25981}}^1$

素因数の和:26191

約数の個数: 32

約数和(自身を含む): 467676000

約数和(自身を除く): 260867240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 25981, 51962, 103924, 129905, 207848, 259810, 519620, 1039240, 5170219, 10340438, 20680876, 25851095, 41361752, 51702190, 103404380, 206808760]

約数ペア:

[(1, 206808760), (2, 103404380), (4, 51702190), (5, 41361752), (8, 25851095), (10, 20680876), (20, 10340438), (40, 5170219), (199, 1039240), (398, 519620), (796, 259810), (995, 207848), (1592, 129905), (1990, 103924), (3980, 51962), (7960, 25981)]