56716990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2591}}^1$

素因数の和:2808

約数の個数: 32

約数和(自身を含む): 111974400

約数和(自身を除く): 55257410

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 2591, 4378, 5182, 10945, 12955, 21890, 25910, 28501, 57002, 142505, 285010, 515609, 1031218, 2578045, 5156090, 5671699, 11343398, 28358495, 56716990]

約数ペア:

[(1, 56716990), (2, 28358495), (5, 11343398), (10, 5671699), (11, 5156090), (22, 2578045), (55, 1031218), (110, 515609), (199, 285010), (398, 142505), (995, 57002), (1990, 28501), (2189, 25910), (2591, 21890), (4378, 12955), (5182, 10945)]