16115020

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4049}}^1$

素因数の和:4257

約数の個数: 24

約数和(自身を含む): 34020000

約数和(自身を除く): 17904980

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 4049, 8098, 16196, 20245, 40490, 80980, 805751, 1611502, 3223004, 4028755, 8057510, 16115020]

約数ペア:

[(1, 16115020), (2, 8057510), (4, 4028755), (5, 3223004), (10, 1611502), (20, 805751), (199, 80980), (398, 40490), (796, 20245), (995, 16196), (1990, 8098), (3980, 4049)]