80085560

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10061}}^1$

素因数の和:10271

約数の個数: 32

約数和(自身を含む): 181116000

約数和(自身を除く): 101030440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 10061, 20122, 40244, 50305, 80488, 100610, 201220, 402440, 2002139, 4004278, 8008556, 10010695, 16017112, 20021390, 40042780, 80085560]

約数ペア:

[(1, 80085560), (2, 40042780), (4, 20021390), (5, 16017112), (8, 10010695), (10, 8008556), (20, 4004278), (40, 2002139), (199, 402440), (398, 201220), (796, 100610), (995, 80488), (1592, 50305), (1990, 40244), (3980, 20122), (7960, 10061)]