22272080

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1399}}^1$

素因数の和:1611

約数の個数: 40

約数和(自身を含む): 52080000

約数和(自身を除く): 29807920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1399, 1592, 1990, 2798, 3184, 3980, 5596, 6995, 7960, 11192, 13990, 15920, 22384, 27980, 55960, 111920, 278401, 556802, 1113604, 1392005, 2227208, 2784010, 4454416, 5568020, 11136040, 22272080]

約数ペア:

[(1, 22272080), (2, 11136040), (4, 5568020), (5, 4454416), (8, 2784010), (10, 2227208), (16, 1392005), (20, 1113604), (40, 556802), (80, 278401), (199, 111920), (398, 55960), (796, 27980), (995, 22384), (1399, 15920), (1592, 13990), (1990, 11192), (2798, 7960), (3184, 6995), (3980, 5596)]