89900240

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5647}}^1$

素因数の和:5859

約数の個数: 40

約数和(自身を含む): 210105600

約数和(自身を除く): 120205360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 5647, 7960, 11294, 15920, 22588, 28235, 45176, 56470, 90352, 112940, 225880, 451760, 1123753, 2247506, 4495012, 5618765, 8990024, 11237530, 17980048, 22475060, 44950120, 89900240]

約数ペア:

[(1, 89900240), (2, 44950120), (4, 22475060), (5, 17980048), (8, 11237530), (10, 8990024), (16, 5618765), (20, 4495012), (40, 2247506), (80, 1123753), (199, 451760), (398, 225880), (796, 112940), (995, 90352), (1592, 56470), (1990, 45176), (3184, 28235), (3980, 22588), (5647, 15920), (7960, 11294)]