2016204880

素因数分解:

$2^4\times 5^1\times {\mathrm{5647}}^1\times {\mathrm{4463}}^1$

素因数の和:10123

約数の個数: 40

約数和(自身を含む): 4689556992

約数和(自身を除く): 2673352112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4463, 5647, 8926, 11294, 17852, 22315, 22588, 28235, 35704, 44630, 45176, 56470, 71408, 89260, 90352, 112940, 178520, 225880, 357040, 451760, 25202561, 50405122, 100810244, 126012805, 201620488, 252025610, 403240976, 504051220, 1008102440, 2016204880]

約数ペア:

[(1, 2016204880), (2, 1008102440), (4, 504051220), (5, 403240976), (8, 252025610), (10, 201620488), (16, 126012805), (20, 100810244), (40, 50405122), (80, 25202561), (4463, 451760), (5647, 357040), (8926, 225880), (11294, 178520), (17852, 112940), (22315, 90352), (22588, 89260), (28235, 71408), (35704, 56470), (44630, 45176)]