63719800

素因数分解:

$2^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1601}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 148986000

約数和(自身を除く): 85266200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 199, 200, 398, 796, 995, 1592, 1601, 1990, 3202, 3980, 4975, 6404, 7960, 8005, 9950, 12808, 16010, 19900, 32020, 39800, 40025, 64040, 80050, 160100, 318599, 320200, 637198, 1274396, 1592995, 2548792, 3185990, 6371980, 7964975, 12743960, 15929950, 31859900, 63719800]

約数ペア:

[(1, 63719800), (2, 31859900), (4, 15929950), (5, 12743960), (8, 7964975), (10, 6371980), (20, 3185990), (25, 2548792), (40, 1592995), (50, 1274396), (100, 637198), (199, 320200), (200, 318599), (398, 160100), (796, 80050), (995, 64040), (1592, 40025), (1601, 39800), (1990, 32020), (3202, 19900), (3980, 16010), (4975, 12808), (6404, 9950), (7960, 8005)]