56784650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 114576000

約数和(自身を除く): 57791350

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 199, 325, 398, 439, 650, 878, 995, 1990, 2195, 2587, 4390, 4975, 5174, 5707, 9950, 10975, 11414, 12935, 21950, 25870, 28535, 57070, 64675, 87361, 129350, 142675, 174722, 285350, 436805, 873610, 1135693, 2184025, 2271386, 4368050, 5678465, 11356930, 28392325, 56784650]

約数ペア:

[(1, 56784650), (2, 28392325), (5, 11356930), (10, 5678465), (13, 4368050), (25, 2271386), (26, 2184025), (50, 1135693), (65, 873610), (130, 436805), (199, 285350), (325, 174722), (398, 142675), (439, 129350), (650, 87361), (878, 64675), (995, 57070), (1990, 28535), (2195, 25870), (2587, 21950), (4390, 12935), (4975, 11414), (5174, 10975), (5707, 9950)]